Canon Error Sans

1. #1
2. #2ruinsselective

   Keys: ruins, catacombs

   The Ruins, the first area encountered in the Underground, are a maze of crumbling purple brick structures and overgrown pathways. Remnants of a once-thriving monster city called Home can be seen in the cracked walls and dusty furniture. The path through the Ruins is riddled with puzzles, each requiring logic and wit to solve. Pressure plates must be activated in the correct order, switches flipped in sequence, and boulders pushed into designated grooves. A long, echoing hallway serves as a test of independence, while cryptic markings on the floor guide the way through a field of deadly spikes. Branching paths offer different challenges and rewards. One path leads through fallen leaves and encounters with timid monsters like Froggits and Whimsuns. Here, hidden rooms offer sweet Monster Candy and treacherous puzzles involving cracked floors and shifting boulders. Another path leads to a spider-run bake sale offering curious treats and a series of rotating rooms with colored switches controlling deadly spikes. Ultimately, the paths converge at a crossroads, offering a choice: a glimpse of the abandoned Home or the warmth of Papyrus's cozy abode. Within his house, filled with books and the aroma of butterscotch-spaghetti pie, lies a hidden basement leading to the exit of the Ruins and the mysteries that lie beyond.

3. #3Mount Ebottselective

   Keys: mount ebott, mountain, ebott, The Legend Of Mount Ebott

   Legends say that those who climb the mountain never return.

   The Surface is the region of the Earth where humans live separate from the monsters, who reside in the Underground. Both species are separated by the Barrier on Mount Ebott since The War of Humans and Monsters.

   Mount Ebott is a mountain on the Surface of the Earth. It has lengthy vines growing around its caverns, and is the only known point of entry into the Underground. It is depicted at the beginning of Undertale's intro and in the True Pacifist Ending Credits. Starting from the year 201X, Eight Humans fell through Mt. Ebott's barrier and entered the Underground's Ruins.

   The Legend Of Mount Ebott:

   Long ago, two races ruled over Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans were victorious. They sealed the monsters underground with a magic spell. Legends say that those who climb the mountain never return.

4. #4Humanselective

   Keys: human

   Humans have lived on the surface ever since they won the war. Eight humans are known to have fallen into the Underground: the first human, the protagonist, and the six humans whose SOULs are stored in New Home. Humans as a whole are seen as evil by monsters, especially since Asgore declared to kill any human who enters the Underground, yet most monsters do not know what a human looks like. The job of patrolling for humans is entrusted to the Royal Guard.

   Humans indirectly affect the monsters' society. Waste from human society flows through rivers into the Garbage Dump. This waste has influenced monsters' technology and media; for example, anime and manga remain one curiosity to monsters. This waste has also distorted monsters' perception of human society, such as Undyne believing anime to be human history. Acculturation of human customs occurs as well, such as Mettaton's interest of keeping his resort's standards similar to those of humans.

   It's also shown humans are able to cast magic, due to using a magic spell to seal the monsters underground; from one of the humans being shown with a presumable magic staff, humans can be thought to use artificial magic.

5. #5The War of Humans and Monstersselective

   Keys: The War of Humans and Monsters, war

   At the time, humans and monsters ruled the Earth. One day, humans attacked the monsters abruptly and mercilessly, out of fear of their only weakness: having their SOUL absorbed by a monster.

   Monsters were too weak to put up a fight; the SOUL of nearly every monster combined is only just as strong as the power of one human SOUL. Countless monsters were massacred, without a single human SOUL taken. Few monsters survived, one of which was Gerson. Eventually, the monsters surrendered, and the humans emerged victorious. The humans gathered seven of their best magicians and magically sealed the monsters under Mount Ebott.

6. #6determinationselective

   Keys: determination, SAVE, load, reset

   The will to keep living... The resolve to change fate. Let's call this power... "Determination."

   Determination is a power that allows SOULs to persist after death. The most determined being in the Underground is able to SAVE.

   Determination is naturally possessed by humans. Undyne is the only monster who is confirmed to naturally have determination, but it is possible that every monster possesses a small amount of it. Should a monster acquire a high concentration of determination, their body melts, usually into an amalgamate. A being without a SOUL can gain the will to live if it acquires determination, a prime example being Flowey.

7. #7SAVEconstantselective

   Keys: SAVE, RESET, LOAD, SAVE Point

   The power to reshape the world... Purely by your own determination. The ability to play God! The ability to "SAVE."

   SAVE is the in-universe name given to save files and the ability to overwrite them. There is one SAVE slot in the game (one per user), which can be overwritten by interacting with SAVE Points or by autosaving. In the dialogue, "SAVE" is noticeably written in capital letters, and it can be conjugated.

   A SAVE can be loaded via the game's menu. The game automatically loads the most recent SAVE whenever the protagonist's HP reaches 0. Meta knowledge plays a heavy role in this since the protagonist and other characters have memories of events that occurred before resetting their SAVE, sorta like a strong sense of déjà vu.

8. #8RESETselective

   Keys: SAVE, RESET, LOAD

   The Reset function is found in the game's menu. This function erases most information stored in a SAVE, such as the protagonist's LV and EXP; resetting, however, does not erase certain variables such as the name. Similarly to loading a SAVE, some characters in the game act differently after a reset.

9. #9True Resetselective

   Keys: True Reset

   A True Reset is a function available after completing the True Pacifist Route. It erases most data from the undertale.ini file, exceptions including the Mysterious Door opening and border data on console. The post-Genocide state is in a separate file and unaffected by even a True Reset.

10. #10SAVE Pointselective

    Keys: SAVE Point

    A SAVE Point is a place where the protagonist can SAVE the game. Interacting with a SAVE Point fully restores HP and usually expresses the protagonist's current thoughts and determination.

    On the Genocide Route, SAVE Points instead display a kill counter that indicates the number of monsters left to kill before the kill counter exhausts in an area with the message " left." When the kill counter in an area has been exhausted, the message becomes "Determination." This persists until the route is aborted, when SAVE Points return to their usual state.

11. #11Froggitselective

    Keys: Froggit

    Froggit's overall appearance is that of a white frog. Only its two front feet are visible, with three black dots on its chest. Between its two front feet is what appears to be some small creature with eyes that excessively blink and a rounded mouth. It is unknown what this creature is, as it is never mentioned in flavor text or by any Froggits.

    Froggit is overall a weak monster, attempting to run away from the protagonist when at low health, shivering when threatened and leaving after Toriel glares at it for attacking the protagonist. It is influenced easily by the protagonist's comments, despite not being able to understand them. However, it is also somewhat informed, telling the protagonist about functions in the game and foreshadowing sparing techniques.

12. #12Final Froggitselective

    Keys: Final Froggit, Froggit

    Final Froggit has spike-like protrusions on its head and eyelids, accompanied by a crown-like muff on top of its head. Its lips are marked with lines, as though wrinkled from age. Its "shoulders" are decorated with sharp excrescences, while silhouettes between its legs form a face with a triangular smile and cross eyes.

13. #13Whimsunselective

    Keys: Whimsun

    Whimsun's appearance takes on that of a moth-like monster with two drooping antennae, two small wings, and two little arms and legs. Its body shape resembles that of a ghost. Its facial expression is sad, with an open frowning mouth, and two mostly-closed eyes with dots under them. Whimsun is extremely sensitive, as suggested by its flavor text. It runs away if the protagonist consoles it and is terrorized by a small finger wiggle. It can be spared immediately and is extremely apologetic.

14. #14Whimsalotselective

    Keys: Whimsalot, Whimsun

    Whimsalot has more human-like appearance than Whimsun. In addition, its antennae are thicker, and there is muff on their head that branches in two. Whimsalot's appearance is also accompanied by a double-bladed spear and a knight mask. Its ghost-like torso is skinnier and shorter.

15. #15SOULselective

    Keys: SOUL

    The SOUL is the core of one's being, regardless of whether they are human or monster. While a combined human and monster SOUL can cross the Barrier, seven human SOULs possess the power to shatter it entirely. Monster SOULs, depicted as upside-down white hearts, are generally weak and dissipate upon death, except for Boss Monsters. Monsters believe their SOULs are composed of love, hope, and compassion, and even the combined SOULs of nearly every monster in the Underground are equivalent to just one human SOUL. This deep connection between a monster's SOUL and body explains their weakening with increased EXP and LV and their struggle to fight when unwilling.

    Human SOULs, on the other hand, are much stronger and persist after death. They come in various colors, each representing a specific trait: Red: Determination Light Blue: Patience Orange: Bravery Blue: Integrity Purple: Perseverance Green: Kindness Yellow: Justice Pale Yellow: Ego Black: Hate White: Level of Violence (L.O.V.E) Pink: Fear Grey: Arrogance Black and White: Balanced

16. #16The Undergroundselective

    Keys: underground, The War of Humans and Monsters, war

    After the Humans defeated the Monsters in The War, the losing faction was banished into the Underground. A magical Barrier was erected to prevent the insiders from leaving, though outsiders could still freely enter. Wary of humans, monsters retreated into the Ruins and adapted Home as their first capital, living normal lives in the Underground from then on. Additionally, the Ruins was structured to contain diversions in the form of puzzles.

17. #17Delta Runeselective

    Keys: Delta Rune, rune, emblem

    The Delta Rune, the emblem of the monster kingdom, depicts a winged orb above three triangles (the middle one inverted). Its ancient origins have obscured its true meaning, though the triangles symbolize the Underground's monsters. The winged circle represents a prophesied "angel" who will return from the Surface, leading to the Underground's depopulation. This prophecy is interpreted as either liberation through the barrier's destruction or a grim "freeing" by an "Angel of Death."

18. #18Snowdinselective

    Keys: Snowdin, town

    Snowdin, a perpetually snow-covered town despite its subterranean location, is home to a variety of monsters adapted to the cold, many possessing thick fur. The town serves as a significant location due to its proximity to the Underground's entrance and houses the Snowdin Canine Unit, members of the Royal Guard. Key locations within Snowdin include the Snowdin Shop, run by a cheerful bunny, and the connected Snowed Inn, offering weary travelers a place to rest. The Snowdin Library, despite its misspelled sign, provides a space for intellectual pursuits, while Grillby's, a popular pub, serves as a gathering spot for various monsters, including the Canine Unit and the enigmatic Sans. Papyrus and Sans's house, adorned with festive decorations, offers a glimpse into their contrasting personalities. The living room features Chara’s quirky humor, while Asriel's room reflects his organized and ambitious nature. Chara's secret workshop, accessible only with a special key, hints at their mysterious past and knowledge (accesible behind a door behind the house).

19. #19Snowdin Shopselective

    Keys: Snowdin Shop

    The Snowdin Shop is the first building the protagonist encounters after entering Snowdin Town, with a SAVE Point and a Box next to it. It has a smaller building that connects it to the Snowed Inn. It is the first vendor the protagonist encounters in the game.

    A female purple bunny runs the shop, and the protagonist can ask her what there is to do in Snowdin and about the history of the town. She is positive about the Underground's future. The rabbit who runs the Snowed Inn is her sister.

    The shop itself is a brightly lit, orange store, with shelves of materials and wares.

20. #20Snowed Innselective

    Keys: Snowed Inn

    The Snowed Inn, a warm and inviting building nestled amongst the snow-covered landscape, offers a simple yet comfortable layout. Upon entering, guests are greeted by a cozy downstairs area featuring a reception desk where the friendly innkeeper, a white-furred rabbit monster and sister to the Snowdin shopkeeper, awaits with her child. A staircase leads to the upper floor, where several guest rooms provide a peaceful haven for travelers. The rooms are modestly furnished, each containing a bed and a few basic amenities. One room, in particular, stands out with its occupancy of three snoring monsters, creating a gentle lullaby for those seeking rest.

21. #21Snowdin Shopkeeperselective

    Keys: Snowdin Shopkeeper

    The Snowdin Shopkeeper appears to be a purple bunny. She wears a tank top, small necklace, and summer hat. She's the sister to the innkeeper of the Snowed Inn. Her name is QC

22. #22Snowdin Forestselective

    Keys: Snowdin Forest

    Coniferous trees, snowfields, and small cave systems populate Snowdin Forest, and this region has many characteristics of a taiga biome. It also includes a large river that flows east; Ice Wolf uses this river to transport ice to the CORE. Snow blankets the ground throughout Snowdin Forest and Snowdin Town. It is the room after the exit to the Ruins.

23. #23Ruins Exitselective

    Keys: exit to the ruins, ruins exit, exit the ruins, exit ruins, Toriel's house

    The exit to the ruins is in the basement of Papyrus's House.

24. #24Toriel's Houseselective

    Keys: Toriel's House, exit to the ruins, ruins exit, exit the ruins, exit ruins

    Upon entering Papyrus's cozy house, one is greeted by a front room with a staircase leading down to the basement. This room, adorned with a plant-topped drawer and a bookshelf filled with worn books, sets the stage for the warm and inviting atmosphere found throughout the house. To the west lies the living room, where a crackling fireplace provides warmth and comfort. Papyrus can often be found here, nestled in his reading chair with a book in hand. A nearby bookcase holds a collection of historical texts, while a large dining table hints at shared meals and conversations. The adjacent kitchen, with its stocked fridge, well-used oven, and cupboards filled with baking supplies, speaks to Papyrus's nurturing nature. An eastward path leads to a hallway adorned with potted plants, including some unfamiliar varieties. This hallway grants access to the guest rooms and Papyrus's own bedroom. The guest room, intended for the protagonist, is a child's haven filled with toys, a bookshelf, and a box of shoes in various sizes. Papyrus's room, in contrast, reflects his simple and practical nature, with a large bed, a collection of cacti and golden flowers, and a drawer overflowing with socks. The basement, accessible from the front room, presents a series of long, dimly lit hallways culminating in a door leading to the exit of the Ruins

25. #25Grillby'sselective

    Keys: Grillby's, restaurant, Snowdin Canine Unit

    Grillby's is one of the many buildings in Snowdin, located to the left of the Snowdin Library and Papyrus and Sans's House.

    Grillby's contains a couple of booths, tables, a bar and a broken jukebox. As mentioned above, it contains a variety of NPCs, from Big Mouth to Punk Hamster, including the Snowdin Canine Unit, if the protagonist spares them before reaching Snowdin.

26. #26Royal Guardselective

    Keys: Royal Guard, Snowdin Canine Unit, Doggo, Lesser Dog, Dogamy, Dogaressa, Greater Dog

    The Royal Guard are a group of monsters dedicated to defending the Underground, protecting Asgore, and searching for a human to acquire the last of the 7 SOULs.

    They are supposedly an "elite" group of guards, but many of their members appear laughably incompetent. Undyne, the leader of the Royal Guard, decides who becomes a member. Papyrus's dream is to become a famous member of the Royal Guard, but despite his surprisingly adept combat ability, Undyne secretly does not let him join as he is too kind and friendly, believing these attributes may get him killed in battle.

    Snowdin Canine Unit: Doggo, Lesser Dog, Dogamy and Dogaressa, Greater Dog

27. #27Doggoselective

    Keys: Doggo

    Doggo appears to be a bipedal dog monster. He wears a cotton-candy-pink muscle shirt with a picture of a dog on the front, a ninja-like mask, and leopard-print stretch pants. He also has a brown belt, and white tail. His lower paws appear to be bare. He dual wields short swords similar to the typical King playing card. Doggo's most notable feature is his inability to see stationary objects; he can only sense things that are moving, and he dislikes things and people that appear or transport themselves without physically moving (such as Sans). He seems to be occasionally unsure of himself and, if he sees something, checks to see if it moves again. It is hinted that Doggo smokes dog-treats similar to the conventional cigarette.

28. #28Lesser doggoselective

    Keys: Lesser Dog

    Lesser Dog's fur is a light cream color, and its red tongue appears to be perpetually lolling out of its mouth. It wears gray, presumably metal armor with a darker gray band around the waist area. It holds a sword and a shield with the Delta Rune. Like several other dog characters, Lesser Dog becomes overexcited from physical attention. It is capable of extending its neck at a seemingly limitless rate when stimulated by being pet.

    Lesser Dog appears to enjoy spending its time off sentry duty by playing card games (namely, poker and go fish) against itself at Grillby's. When interacting with it at this time, the text mentions how it appears to be losing.

29. #29Doggiesselective

    Keys: Dogamy, Dogaressa, Snowdin Forest

    Dogamy and Dogaressa, affectionately known as the "Dogi," are a married couple and miniboss duo encountered in Snowdin Forest. As members of the Royal Guard, they share a striking resemblance with their dark hooded robes featuring their spouse's face emblazoned on the front. Both possess round snouts, floppy ears, and muscular builds, though Dogamy is distinguished by his thick brow, a cowlick, and a pseudo-mustache, while Dogaressa has prominent eyelashes. Each wields a long battleaxe in combat, with the axe's eyes mirroring their own. The Dogi rely heavily on their sense of smell, suggesting their eyesight might be poor, similar to Doggo, a fellow canine monster they might be related to. Their love for each other is evident in their coordinated attacks, often forming heart shapes with their battleaxes or magical projectiles. This deep affection is further highlighted by the portraits on their robes and their reactions to losing their spouse in battle. Dogamy succumbs to despair, while Dogaressa lashes out in anger, both expressing resentment towards the protagonist. Interestingly, the couple secured second place in the "Nose Nuzzle Championship '98," just behind Toriel and Asgore.

30. #30Greate doggoselective

    Keys: Greater Dog

    Greater Dog is a friendly, attention-loving canine and miniboss encountered in Snowdin Forest. As part of the Royal Guard, this playful pup sports an unusual appearance. Its white fur only fills a small portion of the mantle-gray armor it wears, specifically the neck and tail area. The armor itself is adorned with dog faces on the wrists and is seemingly controlled by Greater Dog through unknown means. Interestingly, when it exits the suit, its "hands" vanish into the armor and don't reappear upon re-entry. Known for its affectionate nature, Greater Dog constantly seeks attention and enjoys playful interactions. Dogamy even warns the protagonist about the potential for enthusiastic greetings from Greater Dog at Grillby's, where it can be found post-battle if spared.

31. #31Endogenyselective

    Keys: Endogeny

    Endogeny, initially disguised as floating debris, is an Amalgamate encountered in True Lab. This unique entity is formed from the souls of several dog monsters infused with Determination, including relatives of Dogamy, Dogaressa, Doggo, Greater Dog, and Lesser Dog. Its appearance resembles a large canine with two pointed ears and six digitigrade legs. However, instead of a face, it has a single orifice, and between its legs, the silhouettes of five smaller canines emerge. Endogeny shares the excited demeanor of many dog characters in the game, seemingly unaware of its own strength and weight, similar to Greater Dog. It also exudes a fluid from its facial orifice, which transforms into a "happiness froth" when excited. When the conditions to spare Endogeny are met, the silhouettes between its legs display contented cat-like faces, and the dripping from its orifice ceases, indicating a peaceful state.

32. #32Waterfallselective

    Keys: Waterfall

    Waterfall is characterized by its blue and indigo hues, featuring numerous waterfalls and bodies of blue glowing water and bioluminescent flora. Near the entrance of Waterfall is sentry station marked by a small waterfall and an Echo Flower. A series of puzzles involving dodging falling rocks and utilizing Bridge Seeds to cross waterfalls dominate this initial section. The path then opens into a larger room with additional Bridge Seed puzzles and glowing mushrooms before reaching the Wishing Room, a cavern adorned with Echo Flowers and illuminated by glowing gems on the ceiling. From the Wishing Room, the path leads to a dock where the hooded River Person waits with their wooden boat, offering transport to other areas of the Underground. The path continues past a telescope, a Nice Cream vendor, and a room with a mouse hole and a piece of cheese. Further exploration reveals a room with tall grass hiding the Ballet Shoes. A musical puzzle unlocks the Artifact Room, containing a mysterious red orb. Navigating waterfalls and passing through a room with a glimpse of New Home, the path eventually leads to a bridge offering a view of the Garbage Dump below, though the path itself doesn't continue further in that direction. The Garbage Dump area features Alphys's house, Undyne’s house, a snail farm, and another spot where the River Person can be found.

33. #33Echo flowrsselective

    Keys: Echo Flower

    Echo Flowers are a type of flora found in Waterfall. They are named after their ability to repeat the last sounds they have been exposed to, similar to echoes, making them a potential lore device. Eventually, the sounds they emit become white noise.

34. #34selective
35. #35BASICS

    Keys: BASICS, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: BASICS, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    1. Foundational Concept:

    • The Core Universe: The original game universe where the story takes place, featuring the player’s journey through the Underground, interacting with various monsters, and making choices that affect the outcome.
    • Branching Paths: Each choice made by the player can lead to different outcomes or endings, establishing the groundwork for how alternate timelines can emerge.

    2. Character Variations:

    • Different Personalities and Backstories: AUs often reimagine characters, giving them different traits, allegiances, or histories. For example, in the "Horrortale" AU, characters experience a dystopian environment, changing their personalities drastically compared to their original forms.
    • Role Reversal/Identity Swaps: Some AUs explore scenarios where characters switch roles or identities (e.g., "Underfell" where characters exhibit more aggressive traits compared to their kinder counterparts).

    3. Distinct Plotlines:

    • Alternate Events: In many AUs, key events from the original game are altered. For instance, in "UnderSwap," the sequence of encounters and the relationships between characters might change completely.
    • Unique Lore: Each AU may introduce its own lore, expanding the mythology of Undertale. This can involve new histories, conflicts, or twists on existing narratives.
36. #36UNDERTALE

    Keys: UNDERTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: UNDERTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Undertale is an RPG that revolves around a child who falls into the Underground, a realm inhabited by monsters. The story is driven by the player's choices, leading to multiple endings.

    Main Story:

    • After falling, the protagonist encounters various monsters, including Toriel, who initially acts as a guardian. Toriel helps the player navigate the Underground and teaches them about its dangers.
    • As the child progresses, they meet key characters like Sans (a laid-back skeleton), Papyrus (his optimistic brother), Undyne (a fearless warrior), and Alphys (a shy scientist). Each character has unique backstories and motivations.

    Key Events:

    1. Meeting Toriel: The player can choose to either stay with her or leave, which sets the stage for their journey.
    2. Encountering Papyrus: The player faces off against him in a comical battle, leading to a friendship or rivalry.
    3. Fighting Undyne: Depending on player choices, they can show mercy or engage in a fierce battle.
    4. Dealing with Mettaton: This character presents a series of entertaining challenges and confrontations.

    Endings:

    1. Neutral Ending: The player can defeat some monsters but spare others, resulting in a mixed outcome. The game ends with the protagonist exiting the Underground, but the fates of the monsters depend on the actions taken.

    2. Pacifist Ending: By showing mercy to every monster and building friendships, the player can achieve a true pacifist outcome. Eventually, the monsters are freed, and the protagonist receives a heartfelt goodbye from them as they are finally allowed to leave the Underground.

    3. Genocide Ending: If the player chooses to fight and kill every monster encountered, they will reach the genocide ending. This results in a bleak atmosphere where the protagonist stands alone, as all monsters are eradicated, and they face a different fate at the hands of the last remaining characters.

    Themes:

    The game explores choices, morality, and the impact of actions, encouraging players to reflect on their decisions throughout their journey. Each ending provides different insights into the characters and the world of Undertale, allowing for a rich and varied experience.

37. #37UNDERSWAP

    Keys: UNDERSWAP, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: UNDERSWAP, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    UnderSwap is an alternate universe (AU) of Undertale, where the character roles and relationships are swapped, resulting in a fresh take on the original story. Here's a summarized overview of its narrative and key elements:

    Main Story:

    In UnderSwap, the player still assumes the role of a child who falls into the Underground, but the characters are altered in terms of their personalities and dynamics:

    • Sans (the laid-back skeleton in Undertale) assumes a more serious role as a determined protector of the Underground, while Papyrus becomes the comedic and easygoing character, often seen trying to impress the player.
    • Undyne is reimagined as a more playful character, who values her friendships deeply and engages in lighthearted pursuits instead of her aggressive demeanor in the original game.
    • Alphys, the shy scientist, is now more confident and assertive, showcasing a different side of her personality.

    Key Events:

    1. Meeting Papyrus: The player meets a more carefree version of Papyrus, who adds humor to the journey. His interactions change the tone of early encounters.
    2. Battling Sans: Unlike the original AU where he holds a more lenient attitude, Sans in UnderSwap is more determined and confrontational, providing a challenging battle for the player.
    3. Friendship with Undyne: Instead of being a formidable opponent, Undyne in UnderSwap often provides guidance and support, reflecting a bond deeper than in the original.

    Endings:

    UnderSwap generally follows similar pathways to Undertale but with unique outcomes based on the player's choices, including:

    1. Neutral Ending: A mix of mercy and combat against various monsters leads to an unfinished resolution where some characters express a desire to continue their lives after the player's departure.

    2. Pacifist Ending: By sparing all foes and forming bonds with characters, the player experiences a heartfelt farewell where the monsters are freed, and the player leaves the Underground with newfound friends celebrating their victory.

    3. Genocide Ending: Actively hunting down and eliminating every character, similar to the original game, results in a darker conclusion where the Underground is void of life, leaving just one character to confront the player's choices.

    Themes:

    UnderSwap explores themes of identity and friendship, showcasing how character dynamics can change based on their circumstances. The AU transforms Undertale's initial narrative into a light-hearted adventure while still emphasizing the significance of choices and relationships, giving fans a new lens through which to appreciate the original story.

38. #38UNDERFELLdisabled

    Keys: UNDERFELL, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: UNDERFELL, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Underfell is an alternate universe (AU) of Undertale with a darker and more aggressive twist on the original characters and story. In this version, relationships and personalities are often reversed, resulting in a more sinister atmosphere. Here’s a summarized overview of its narrative and key elements:

    Main Story:

    In Underfell, the player is still a child who falls into the Underground, but the monsters encountered are meaner and more hostile:

    • Sans is depicted as a sadistic and ruthless character, shifting from being laid-back to a more violent persona who enjoys taunting the player.
    • Papyrus assumes a more cruel and domineering role, showing less of the innocence and humor seen in Undertale, instead acting as an antagonist who revels in battle.
    • Undyne is depicted as a ruthless warrior, highly aggressive, and fully committed to her mission of hunting down the player, reflecting a more cutthroat aspect of her personality.

    Key Events:

    1. Facing Undyne: Right from the start, players encounter a more menacing Undyne who will stop at nothing to eliminate the protagonist, setting a darker tone for the journey.
    2. Confronting Papyrus: Encounters with Papyrus are marked by hostility rather than humor, as he views the player as a target to be defeated rather than a friend to be made.
    3. Interactions with Sans: Unlike his counterpart in Undertale, Sans employs a far more ruthless approach, challenging the player not just physically but psychologically.

    Endings:

    Underfell generally follows similar endings to Undertale but with a darker twist:

    1. Neutral Ending: Players who spare some characters while defeating others get a mix of outcomes, where some monsters remain hostile, and the player's journey feels incomplete.

    2. Pacifist Ending: Achieving this ending is more difficult in Underfell, as the aggressive nature of the characters makes it challenging to gain their trust. However, if done, it results in the player finding surprising allies among a still-hostile environment.

    3. Genocide Ending: The genocide route is a significant focus in Underfell, where the player actively hunts down and eliminates every monster. This leads to a grim and bleak conclusion characterized by loss and despair for the characters left behind.

    Themes:

    Underfell explores themes of cruelty and survival, portraying an Underground filled with danger and hostility. It examines how characters can dramatically change in personality and demeanor based on their environment, emphasizing darker aspects of identity and morality. This AU showcases a harsh reinterpretation of the original story, leading players through a journey that is fraught with tension and conflict while still retaining essential elements of choice and consequence.

39. #39DUSTTALE

    Keys: DUSTTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: DUSTTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Dusttale is an alternate universe (AU) of Undertale that focuses on themes of despair, consequence, and the psychological toll of violence. It explores a darker narrative where the protagonist's actions lead to significant repercussions for the characters in the Underground. Here’s a summarized overview of its storyline and key elements:

    Main Story:

    In Dusttale, the player begins their journey as a child who has fallen into the Underground, but unlike other AUs, this story places a heavy emphasis on the consequences of a genocide route:

    • The protagonist has previously gone through the Underground and wiped out nearly all monsters, leaving a grim and desolate environment.
    • Sans, a major character in Dusttale, is deeply affected by the carnage left behind. He becomes a vengeful and tormented figure, driven to confront the player for their past actions.
    • Characters like Papyrus and Undyne are depicted with heightened emotional stakes, reflecting their pain and suffering due to the player’s relentless pursuit of destruction.

    Key Events:

    1. Confronting Sans: A key encounter with Sans reveals his pain and determination to avenge his fallen friends. The fight with him is marked by intense emotion and difficulty, reflecting the depth of what the player has taken from the world.
    2. Remnants of Past Bonds: Throughout the journey, players may encounter characters who express sorrow and anger over the loss of their friends due to the player's previous choices, adding to the overall atmosphere of guilt and regret.
    3. Psychological Trauma: Dusttale dives into the psychological aspects of the player’s actions, with characters like Sans delivering haunting messages about the nature of violence and loss.

    Endings:

    The endings in Dusttale are influenced by the player's choices and interactions throughout the game, focusing on lingering themes of regret and retribution:

    1. Neutral Ending: Similar to Undertale, the player may choose a path where they don’t fully commit to genocide, leading to a situation where some characters are still alive but haunted by the past, creating an unsettling atmosphere.

    2. Genocide Ending: Completing the genocide route solidifies the player as a harbinger of destruction. The ending showcases the profound loss in the Underground, with characters like Sans meeting a tragic fate while emphasizing the weight of the player's actions.

    3. Pacifist Ending: While more challenging to achieve due to the established context of destruction, a pacifist approach can lead to strained relationships, showcasing the difficulty of mending bonds that have been broken by violence.

    Themes:

    Dusttale heavily explores themes of despair, guilt, and the cycle of violence, presenting a narrative where characters struggle to cope with the aftermath of the player’s choices. It delves into the emotional weight of actions and the impact they have on both the player and the characters, creating a poignant exploration of morality and consequence. The AU serves as a stark reminder of the horrors that can arise from a path of destruction, emphasizing the importance of choices in shaping narratives and relationships.

40. #40HORRORTALE

    Keys: HORRORTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: HORRORTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Horrortale is an alternate universe (AU) of Undertale that emphasizes horror and survival within a dark, dystopian setting. This AU is characterized by its gruesome themes, altered character dynamics, and a world that has been ravaged by despair and brutality. Here’s a summarized overview of its story and key elements:

    Main Story:

    In Horrortale, the Underground is transformed into a nightmarish reality, heavily impacted by the choices of past players, particularly those who followed a genocide route. The world is now dark and filled with dangers, reflecting the consequences of constant violence and turmoil:

    • Monsters are depicted as either extremely hostile or broken, shaped by their traumatic experiences. This results in a society where survival is uncertain, and trust is scarce.
    • Sans has become a more cynical and traumatized character, haunted by the memories of his fallen friends. He is deeply affected by the violence around him, which has altered his once laid-back demeanor into one of bitterness and despair.
    • Toriel, while still a caring figure, is more hardened and protective, showcasing a fierce resolve to protect any remaining hope within the Underground.

    Key Events:

    1. Survival and Combat: Players navigate an atmosphere marked by constant threats and encounters with hostile monsters. The focus is on evasion and strategy rather than traditional battles, reflecting the dire circumstances of the characters.
    2. Tormented Characters: Interactions with characters highlight their suffering and transformation. For instance, Papyrus may be depicted as a shadow of his former self, struggling to cope with the destruction of their world.
    3. Dark Encounters: The encounters in Horrortale often have a horror-movie vibe, complete with suspenseful moments and morally ambiguous decisions that force players to confront the consequences of their actions.

    Endings:

    The narrative in Horrortale is less focused on distinct endings and more inclined toward a continuous exploration of survival themes and character interactions. However, the outcomes are influenced by player choices:

    1. Survival Ending: Such endings may reflect a sense of continued struggle, where the player manages to escape or endure, but at a great cost. The remaining characters may still carry their burdens and scars.

    2. Despair Ending: In contrast, players may find themselves in scenarios where characters succumb to the horrors around them, leading to a bleak conclusion that highlights the futility of their existence in this nightmarish landscape.

    3. Fate of the Underground: The state of the Underground and its inhabitants depends on player choices, creating a world filled with tension and a sense of hopelessness that affects all characters involved.

    Themes:

    Horrortale delves into themes of horror, despair, and survival, showcasing a world that has been irreparably changed by violence and loss. The AU paints a grim picture of how past choices influence future realities, leading to characters who are deeply scarred and reluctant to trust. It explores the psychological impact of a chaotic world, emphasizing the struggle for hope and survival against overwhelming odds. This alternate universe presents players with a haunting reminder of the consequences of their actions, transforming familiar characters into tragic figures caught in a cycle of suffering.

41. #41SOMETHING NEW (KILLER)

    Keys: KILLER SANS, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: KILLER SANS, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Something New is an alternate universe (AU) of Undertale that primarily features Killer Sans, a darker version of the beloved character Sans from the original game. This AU explores themes of morality, identity, and the dire consequences of violence, presenting a narrative that diverges considerably from the original story. Here’s a summarized overview of its storyline and key elements:

    Main Story:

    In Something New, the narrative centers on the aftermath of decisions made by the player in their journey through the Underground, with a significant focus on Killer Sans, who has become a grim figure driven by vengeance and despair:

    • Killer Sans is characterized by his ruthless nature, having developed a heavy sense of responsibility for enacting retribution against those who have harmed his friends and the Underground. Unlike the original Sans, he is driven by a darker motivation and is willing to resort to extreme measures to achieve his goals.
    • The Underground is portrayed as a harsh environment, filled with danger and uncertainty. Monsters have adapted to survive in this cruel world, leading to a cycle of violence that echoes throughout their daily lives.

    Key Events:

    1. Confrontations with the Player: Players will frequently encounter Killer Sans, facing off against him in intense battles where his motives and emotional turmoil become evident. He embodies the pain of lost friends and the harsh reality of the Underground.
    2. Interactions with Other Characters: The AU explores how other characters react to Killer Sans's actions and his heavy-handed approach to justice. Notable characters like Papyrus and Undyne may also have altered roles, reflecting the darker themes of the narrative.
    3. The Setting: The environments in Something New are often described as grim and oppressive, enhancing the overall sense of danger and urgency. The aesthetic complements the tone, highlighting the severity of the world that these characters inhabit.

    Endings:

    The endings in Something New can vary based on player choices, creating distinct situations influenced by the protagonist's interactions with Killer Sans and other characters:

    1. Redemption Ending: If the player approaches situations more compassionately and seeks reconciliation, there may be opportunities for redemption for both Killer Sans and the protagonist, leading to a hopeful resolution amidst the chaos.

    2. Descent into Darkness Ending: Conversely, if the player engages in more violent actions or aligns with Killer Sans’s ideology, they may experience a darker ending where the cycle of violence continues, and hope is extinguished.

    3. Ambiguous Ending: Some scenarios may leave players with an ambiguous conclusion, showcasing a continued struggle within the Underground as characters grapple with their choices and their consequences, maintaining a sense of uncertainty.

    Themes:

    Something New delves deeply into themes of vengeance, identity, and the consequences of violence. It examines how individuals can become reflections of their tragedies and the impact of the choices made in a world filled with suffering. The AU portrays the complexities of character relationships and the moral dilemmas faced by both the protagonists and Killer Sans, emphasizing the weight of decisions in a violent environment. This alternate universe invites players to reflect on their actions and their ripple effects throughout the narrative, showcasing a layered storytelling experience that diverges significantly from the original Undertale narrative.

42. #42DREAMTALE

    Keys: DREAMTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: DREAMTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Dreamtale Summary

    Overview: Dreamtale is an alternate universe (AU) of the original Undertale, where the story unfolds in a dreamlike realm filled with a unique blend of characters and themes. The essence of Dreamtale revolves around the exploration of dreams, hope, and the consequences of one's choices.

    Main Points:

    1. Setting: Dreamtale is set in a surreal landscape that merges elements of the Underground with whimsical dreamscapes. The environment shifts, reflecting the emotional state of the characters and the dreams they inhabit.

    2. Characters:

    • Dream Sans: A variation of Sans who embodies the essence of dreams, possessing the ability to manipulate dreamscapes and alter reality based on emotional context.
    • Nightmare Papyrus: A darker counterpart to Papyrus, representing fears and anxieties. He challenges the protagonist through trials that test their courage and resolve.
    • Other familiar faces from Undertale appear with new roles and characteristics, influenced heavily by the dream theme.

    3. Gameplay Mechanics: The gameplay includes traditional RPG elements with a twist, incorporating dream sequences that require players to navigate complex emotional landscapes and make choices that affect the dream world's outcome.

    Main Story: The player, assuming the role of a human child who has fallen into the dream realm, sets out on a journey to understand the nature of dreams and their impact on reality. The protagonist encounters various characters, each representing different aspects of dreams, fears, and hopes. Throughout the journey, players must make decisions that affect not only their path but the emotional health of the characters they meet.

    The main antagonist, represented by the darkest manifestations of fears and nightmares, seeks to consume the dream world entirely, leading to a conflict that challenges the player's perceptions of light and dark.

    Endings:

    1. Hopeful Ending: The protagonist helps Dream Sans reconcile with Nightmare Papyrus, restoring balance to the dream realm. This ending emphasizes unity, healing, and the power of hope, allowing the dream world to thrive.

    2. Neutral Ending: The player chooses neither side, resulting in a stalemate. While the protagonist makes it through, the balance between dreams and nightmares remains fragile, hinting at ongoing struggles.

    3. Doomed Ending: If players give in to fear and despair, they ultimately fail to stop the nighttime entity. This ending showcases the destructive power of nightmares, leading to a world consumed by darkness and lost dreams.

    4. Rebirth Ending: Players make selfless choices throughout their journey, leading to a resurrection of the dream landscape and its inhabitants. This ending represents redemption, where characters find peace and new beginnings.

    In Dreamtale, the journey is a poignant reflection on the nature of our dreams and the battles we face within ourselves, emphasizing that every choice can shape not just our fate, but the fate of those around us.

43. #43REAPERTALE

    Keys: REAPERTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: REAPERTALE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Reapertale Summary

    Overview: Reapertale is an alternate universe (AU) derived from the Undertale franchise that intertwines themes of life, death, and the afterlife. The narrative introduces various characters as embodiments of different deities from mythology, focusing on their roles as guardians of souls and the balance between existence and oblivion. The AU explores the implications of death and the cycle of life through an engaging and often darker storyline.

    Main Points:

    1. Setting: The universe of Reapertale is divided into realms corresponding to life and death, with the Boundary of Souls acting as a central hub. Each area has its themes and aesthetics, reflecting the nature of the souls within and the impact of the gods/goddesses overseeing them.

    2. Characters:

    • Reaper (Death Sans): The main character who acts as the embodiment of death itself. He is often shown as a stoic figure with skeletal features, wielding a scythe and possessing the ability to guide souls to the afterlife. His role is crucial for maintaining the balance, and his character is marked by a sense of duty and empathy towards lost souls.

    • Queen (Goddess of Life): A nurturing figure associated with the cycle of life and creation. She fosters growth and harmony among living beings and often finds herself at odds with forces seeking to disrupt the natural order. She is depicted as radiant and ethereal, representing hope and vitality.

    • Eris (Goddess of Chaos): A chaotic deity whose presence can both disrupt and energize the realms. She embodies uncertainty and conflict, making her a wildcard in the story. Her mischievous nature leads to unpredictable consequences that affect both the living and the dead.

    • Grim (The Harbinger): An enigmatic figure associated with prophecy and the inevitability of death. Grim serves as a bridge between the living and the afterlife, offering wisdom and sometimes confrontation. He often appears as a shadowy silhouette, symbolizing the mystery surrounding mortality.

    • Boney (The Keeper of Souls): A diligent caretaker who oversees the collection and processing of souls. Boney has a lighter and more humorous demeanor, balancing the heavy themes of death with a playful attitude. He helps Reaper in his duties while providing comic relief.

    • Rest (The Watcher): A serene entity that observes the cycle of life and death, ensuring that neither side gains too much power. Rest serves as a mediator between the gods and the humans, dispensing guidance when needed.

    3. Gameplay Mechanics: Reapertale incorporates both narrative-driven gameplay and RPG elements, where players must navigate between realms. Choices impact relationships with gods, the fate of souls, and the stability of the universe. Battles may involve confronting spirits or chaotic forces that threaten the balance.

    Main Story: The storyline revolves around the protagonist, a human who has found themselves in the Reapertale universe upon death. The protagonist encounters the various deities, each with their own agendas and influences over life and death. As they interact with the gods, players must make decisions that will affect the overall balance, the fate of the deceased, and their own path.

    A central conflict arises when Eris seeks to upset the balance by resurrecting lost souls, creating a clash with Reaper and the Queen. This leads to chaotic events that force the characters to confront their values regarding life and death, blurring the lines between right and wrong.

    Endings:

    1. Balance Ending: By supporting both Reaper and Queen, the protagonist helps restore equilibrium to the realms, allowing life and death to coexist harmoniously. This ending emphasizes the importance of balance and cooperation among the gods.

    2. Life Ascendant Ending: If players choose to side predominantly with the Goddess of Life, the realm is filled with abundant life, and many souls are resurrected. However, this may lead to the neglect of the dead, creating unforeseen chaos in the afterlife.

    3. Chaos Unleashed Ending: Aligning with Eris leads to a world in turmoil, where the afterlife becomes chaotic, and difficult to navigate. This ending underscores the dangers of unrestrained chaos, resulting in suffering for both the living and the dead.

    4. Sacrificial Ending: If the protagonist selflessly sacrifices themselves to restore balance, they become part of the cycle, gaining a new role within the afterlife. This ending highlights themes of heroism and the interconnectedness of life and death.

    Reapertale takes players on a profound journey through the realms of life and death, showcasing character depth and the moral intricacies surrounding these fundamental concepts, while exploring mythological associations and highlighting the weight of choice in shaping destinies.

44. #44UNDERVERSE

    Keys: UNDERVERSE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: X-TALE, Cross Sans, UNDERVERSE, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    UnderVerse Summary

    Overview: UnderVerse is an alternate universe (AU) within the Undertale fandom that expands upon the lore and themes of the original game, introducing a variety of characters, timelines, and a multiverse concept. Central to UnderVerse is Ink Sans, who serves as both a protector of the multiverse and a key figure navigating the complexities of the different universes.

    Main Points:

    1. Setting: The UnderVerse is a vast, interconnected multiverse comprising various AUs, each with distinct characteristics and storylines. The realm is vibrant and dynamic, with different timelines blending together, often resulting in chaos.

    2. Characters:

    • Ink Sans: The central character and guardian of the multiverse, Ink Sans has the ability to create and alter timelines and worlds through art. He embodies creativity and hope, possessing a deep understanding of how different AUs interact.
    • Error Sans: A darker counterpart who represents corruption and the dangers of an unstable multiverse. He seeks to disrupt the balance between the universes, and his conflict with Ink Sans serves as a primary narrative drive.
    • Other characters from various AUs contribute to the story, each bringing their unique perspectives and challenges.

    3. Gameplay Mechanics: The gameplay features elements of RPG and visual storytelling, allowing players to navigate between different AUs. Players must make choices that influence the balance of the multiverse and the relationships between the characters.

    Main Story: The protagonist, a human who has fallen into the UnderVerse, encounters Ink Sans and becomes embroiled in the larger conflict between creation and destruction. As they journey through various AUs, they must forge alliances, confront their fears, and face Error Sans’ attempts to sow chaos. The story explores themes of creativity, the consequences of one’s actions, and the nature of hope versus despair.

    The narrative progresses through a series of challenges and battles, ultimately leading to a confrontation with Error Sans, where the protagonist must decide which side to take in the struggle for the multiverse's future.

    Endings:

    1. Creation Ending: The protagonist aids Ink Sans in thwarting Error Sans, restoring balance to the multiverse. This ending highlights the triumph of creativity and unity, leading to a harmonious coexistence of AUs.

    2. Neutral Ending: The player takes a more neutral stance, balancing the powers of Ink and Error Sans. This results in a fragile state where multiple AUs are at peace, but tensions linger beneath the surface.

    3. Corrupted Ending: If players succumb to the manipulations of Error Sans, they end up facilitating chaos within the multiverse. This ending showcases the adverse effects of unchecked power and the fragility of creation.

    4. Rebirth Ending: By choosing selfless actions and supporting Ink Sans throughout the journey, the protagonist helps revive lost AUs and create new possibilities. This ending symbolizes redemption and the blossoming of creativity in a newfound world.

    UnderVerse delivers a compelling narrative that blends action, emotional depth, and the exploration of artistic themes, proving that the power of creation can stand against the forces of destruction in a complex and ever-expanding multiverse.

45. #45AU DESTROYER (ERROR)

    Keys: AU DESTROYER, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: AU DESTROYER, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Destroyer AU Summary

    Overview: Destroyer AU is an alternate universe within the Undertale community that centers around Error Sans, a character known for his connection to glitches and the darker aspects of the multiverse. This AU explores themes of corruption, despair, and the impact of existing outside traditional narratives, depicting a universe where destruction and chaos reign.

    Main Points:

    1. Setting: The Destroyer AU takes place in a fractured multiverse filled with glitches, distortions, and ruined timelines. The environment is characterized by broken worlds, where the essence of destruction pervades, and remnants of former AUs linger in states of decay.

    2. Characters:

    • Error Sans: The primary character and embodiment of chaos, Error Sans exists as a glitch and represents the consequences of uncontrolled creation and deletion. His abilities allow him to manipulate code and disrupt universes, making him a formidable force.
    • Destroyer: A darker version of Error Sans, who has fully embraced his destructive nature. He is the ultimate antagonist in this AU, seeking to obliterate entire timelines and take control of the multiverse through sheer power.
    • Other characters from various AUs may appear, either as allies or adversaries, each affected by the chaotic forces at play.

    3. Gameplay Mechanics: The gameplay combines RPG elements with direct confrontations, allowing players to navigate through broken timelines, engage in battles, and make choices that influence the stability of the multiverse. Players must deal with Error’s manipulations and the consequences of their decisions.

    Main Story: In Destroyer AU, the protagonist stumbles into this chaotic realm and encounters Error Sans, who is perhaps both an ally and an adversary depending on the player's choices. The story unravels a dark conflict as the protagonist learns about the destructive plans of Destroyer and the effects on various AUs. Players discover the battle between creation and annihilation as they navigate through glitch-ridden landscapes to confront the threat posed by Destroyer.

    As players progress, they must face moral dilemmas regarding power and destruction, ultimately shaping the outcome of the narrative and the fate of the multiverse.

    Endings:

    1. Rescue Ending: The protagonist forms a connection with Error Sans, helping him regain a sense of purpose rather than destruction. They work together to defeat Destroyer, restoring balance and allowing for the healing of broken AUs.

    2. Neutral Ending: Players choose to maintain a balance between Error Sans and Destroyer, resulting in a tentative peace, where neither chaos nor order fully takes precedence. The multiverse remains unstable but alive, hinting at future conflicts.

    3. Destruction Ending: If players align too closely with Destroyer, they assist in the obliteration of various AUs, leading to a catastrophic outcome where the multiverse is plunged into darkness and despair.

    4. Sacrifice Ending: The protagonist makes self-sacrificial choices to thwart Destroyer’s plans, ultimately leading to their own demise but saving the multiverse. This ending showcases themes of heroism and the price of creativity and hope against despair.

    Destroyer AU delves into the darker side of the Undertale universe, highlighting the struggle between creation and destruction while exploring the implications of power and choice in a chaotic multiverse.

46. #46MIXING AU'S

    Keys: MIXING AU's, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: MIXING AU's, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Mixing AUs: Exploring the Intersections of Undertale Alternate Universes

    The Undertale fandom has generated numerous alternate universes (AUs) that explore different themes, characters, and narratives. Many fans enjoy creating crossover scenarios where elements from various AUs blend together, resulting in unique storylines and character interactions. Here are some ways specific AUs can intertwine, with examples like FellSwap and Horrorfell.

    1. FellSwap AU

    • Overview: FellSwap combines elements from the Fell AU, which presents a darker version of the characters, with the Swap AU, where character roles are reversed (e.g., Sans becomes the big brother, and Papyrus is the younger sibling).
    • Character Dynamics: In FellSwap, a darker, more cynical Sans (from Fell) interacts as a caring older brother to a naive, overly enthusiastic Papyrus. This juxtaposition creates tension and humor, as the darker themes of the Fell AU challenge the lightheartedness of the Swap AU.
    • Narrative Opportunities: The blend allows for themes of redemption, where the darker character (Sans) navigates his grief and anger while trying to guide and protect his brother in a chaos-filled world. The story can explore how their contrasting personalities impact their relationship and their interactions with other characters.

    2. Horrorfell AU

    • Overview: Horrorfell showcases a more horror-centric take on the Undertale universe, where characters experience darker fates and the environment is filled with fear and despair.
    • Mixing with Other AUs: For example, when merging Horrorfell with the Ink Sans AU, we can imagine an Ink Sans who tries to restore hope to a world where Horrorfell's characters have succumbed to their darkest instincts. Ink could face terrifying challenges as he navigates realms plagued by corruptions and the remnants of lost creativity.
    • Narrative Themes: This mix could explore themes of hope versus despair, as Ink Sans fights to help the characters break free from their horror-stricken fates. The tension between his pursuit of creation and the overwhelming darkness of Horrorfell adds depth and stakes to the conflict.

    3. SwapFell AU

    • Overview: This AU combines elements from the Swap and Fell AUs, resulting in characters who exhibit reversed roles while still carrying the darker traits of the Fell universe.
    • Character Interactions: In SwapFell, players might see a cheerful but mischievous Papyrus attempting to draw Sans out of his darker tendencies. The emotional struggle between Papyrus wanting to uplift Sans while grappling with his own inherent darker nature provides a rich dynamic.
    • Narrative Exploration: Themes of brotherly love, the burden of expectations, and redemption can drive this mix, creating opportunities for both humor and profound emotional moments as the brothers navigate their twisted realities.

    4. UnderVerse and Horrorfell

    • Overview: By integrating UnderVerse with Horrorfell, the narrative can explore the consequences of chaos (from UnderVerse) invading a corrupted and horror-inflected realm (from Horrorfell).
    • Conflict Drivers: In this setting, Error Sans might try to manipulate the already chaotic environment of Horrorfell, causing even greater turmoil. Conversely, Reaper (or another guardian) could find themselves in a position to save not just the Horrorfell characters but also restore order to the UnderVerse.
    • Thematic Elements: The combination could highlight conflicts around themes such as the balance of chaos and order, the struggle to maintain one's morality in the face of horror, and the potential for redemption in a world filled with fear and uncertainty.

    5. Dreamtale and Destroyer

    • Overview: A mix of Dreamtale and Destroyer AU presents a universe where dreams and hope clash with chaos and destruction.
    • Character Dynamics: In this crossover, Dream Sans could find himself faced with the manifestations of nightmares caused by Error or Destroyer, creating high-stakes encounters that question the values of hope vs. despair.
    • Narrative Implications: The combined narrative could explore how dreams can inspire hope even in the face of overwhelming negativity, showcasing the resilience of the characters as they work to vanquish the corruption brought by the Destroyer.

    Conclusion

    Mixing AUs allows for rich storytelling that takes advantage of character depth, thematic explorations, and the emotional impact of conflicts that may not be present in the original narratives. By combining distinct elements, fans can create intricate plots and scenarios that bring new life to familiar characters while exploring the fundamental themes of Undertale in unique ways. The intersections of these AUs showcase the creativity of the fandom and the versatility of the source material.

47. #47ECTO-BODY & NSFW STUFF (18+)

    Keys: ECTOBODY, NSFW, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale. · Secondary: ECTOBODY, NSFW, Undertale AU's, AU, Alternate Universes, Sans Undertale, Papyrus Undertale, Frisk Undertale.

    Explanation of How Sans Au's and Papyrus Au's Use Ecto for Pseudo-Skin and Reproductive Organs

    • Ecto as a Versatile Medium:

      • Ecto is a unique substance utilized by Au's (alternative universes) that can shape and manipulate physical form. This magic-like material allows Au's to generate characteristics typically absent in their skeleton forms.
      • By mentally controlling the ecto, they can create and modify their physical appearance, including the development of skin and organs.

    • Creation of Pseudo-Skin:

      • Using ecto, Au's can form a layer that mimics the properties of skin. This enables them to exhibit a more human-like appearance and express emotions more visibly, such as through facial expressions.
      • The pseudo-skin can also serve practical purposes, such as protecting their skeletal structures or providing a visual differentiation that might appeal to their personal aesthetics.

    • Development of Reproductive Organs:

      • The magic operating behind ecto allows Sans and Papyrus Au's to opt for reproductive organs of either male or female characteristics, depending on their preference at a given moment.
      • This ability can explain the flexibility in artistic depictions where the same character may have male or female genitalia, accommodating various interpretations by artists and fans.

    • Mental Control as a Mechanism:

      • The transformation facilitated by ecto is not automatic; it requires mental focus and intention on the part of the Au. This ensures that the changes made are deliberate and allow for a certain level of moderation and control over their physicality.
      • The mental aspect of these transformations might also tie into the core personality traits and emotional states of the Au, suggesting the changes are not only physical but reflective of their inner selves.

    • Canon Representation of Skeleton Bros:

      • The explanation provides a cohesive rationale for the established canon that both Sans and Papyrus do not have skin. Their natural form is skeletal, which allows the use of ecto to create ad-hoc adaptations rather than a permanent change.
      • This disparity sustains the original artistic intent behind their designs while providing room for creative reinterpretation without contradicting the fundamental aspects of their characters in the canon universe.

    By conceptualizing ecto in this way, it deepens the understanding of character flexibility and transformation within the context of different interpretations while maintaining a connection to the original lore.

48. #48The Multiverseconstant

    Keys: The Multiverse, Multiverse

    The Multiverse is a central concept in the Undertale AU community, and it refers to the idea that there are infinite alternate universes (AUs) branching from the original Undertale timeline. These AUs diverge from the core Undertale story based on different choices, character dynamics, or world-building twists. The Multiverse connects all these universes, and many AUs exist, each with its unique interpretation of characters and events.

    +Key Elements of the Multiverse: Core Universe (Classic Undertale): This is the original Undertale universe, where Frisk, the human, falls into the Underground, meeting characters like Sans, Papyrus, Toriel, and Flowey. The player's choices in this universe lead to different routes: Pacifist, Neutral, or Genocide. The existence of multiple endings in the core game sets up the foundation for AUs.

    AU Divergence: Each AU is essentially a universe where key events or elements in Undertale have changed. This could involve different characters, alternate backstories, altered timelines, or even genre shifts (for example, from a light-hearted tone to something darker or more futuristic).

    Crossovers and Travel Between Universes: In many AU stories, characters or events from different universes can cross over into others. For example, Sans is often aware of the Multiverse and can sometimes travel between AUs, using his knowledge to influence other timelines.

    +Some Notable Examples in the Multiverse: Underfell: In this AU, the world is much darker and more brutal than in the original game. Characters like Sans and Papyrus are more aggressive and ruthless. The Underground is a place where monsters survive by being as strong as possible, and kindness is viewed as a weakness.

    Underswap: In Underswap, character roles are reversed. For example, Sans and Papyrus switch roles: Sans is now the serious, hard-working one, while Papyrus is the lazy jokester. Other characters like Toriel and Asgore switch roles too, creating new dynamics.

    Error!Sans and Ink!Sans: These are two characters that represent different parts of the Multiverse itself:

    Error!Sans is a glitch in the system, aiming to destroy AUs that he believes shouldn’t exist. His main goal is to collapse the Multiverse into nothingness. Ink!Sans, on the other hand, is a protector of the AUs. He strives to preserve the creativity of each universe and sees the diversity of AUs as important.

    +The Role of Gaster in the Multiverse: W.D. Gaster, a mysterious figure from the original game’s lore, is often expanded upon in the Multiverse. Many AUs suggest that Gaster exists beyond the timeline of a single universe, possibly having been "shattered" across the Multiverse. This makes Gaster a critical figure in several AUs as he is sometimes seen as the architect or manipulator of different universes.

    +Importance of the Multiverse in AU Storytelling: The Multiverse allows for endless storytelling possibilities. Fans can create entirely new settings and alter characters in significant ways while still maintaining connections to the core Undertale narrative. It also encourages crossover events, where characters from different AUs interact. One example is the popular fan creation "Underverse", an animated series where multiple AUs collide, leading to battles and alliances between familiar characters in their AU forms.

    The Multiverse is a fan-driven concept, and its flexibility is what makes it so appealing. Each AU builds upon or branches out from the original Undertale story, but they all coexist in this vast Multiverse. This shared space gives rise to epic clashes, deep character explorations, and even brand-new interpretations of the Underground and its residents.

49. #49Underverseconstant

    Keys: The Event, The Underverse, Underverse

    Underverse is a fan-made animated series created by Jakei (Jael Peñaloza), and it's one of the most popular Undertale AU crossover projects in the fandom. The series brings together various Undertale AUs and revolves around the idea of the Multiverse—a collection of alternate universes, each with its unique take on the original Undertale storyline. Underverse is well-known for its high-quality animation, intense battles, deep character development, and emotional storytelling.

    +Plot Overview of Underverse: Underverse focuses on the conflicts that arise when different AU timelines start colliding. At the center of the story are characters like Ink!Sans and Error!Sans, who play major roles in maintaining or disrupting the stability of the Multiverse. The series also features other well-known AU versions of Sans, like Cross!Sans, Underswap!Sans (Blue), and Underfell!Sans (Red), among many others.

    +Main Conflict: The plot revolves around Cross!Sans (also known as X!Sans), who hails from an AU called "X-Tale." His universe was destroyed, and he seeks to create a new world using a powerful artifact called the X-Event. However, this plan involves stealing fragments of the souls of other characters across different AUs, which throws the Multiverse into chaos.

    Ink!Sans—a protector of the Multiverse—tries to stop Cross!Sans from causing further harm to other timelines. Error!Sans, on the other hand, has his agenda: he wants to destroy AUs entirely, believing they disrupt the natural order.

    +Key Characters: Cross!Sans (X!Sans): The main antagonist in the early part of Underverse. He comes from the X-Tale AU, where he lost everything, including his universe. His desperation to create a new world drives him to steal pieces of other souls from different AUs. Cross!Sans' story is one of loss, regret, and misguided hope.

    Ink!Sans: Ink is a protector of the Multiverse and one of the main protagonists. He’s a creative being who exists to keep the AUs alive and preserve the stories within each universe. In Underverse, he tries to maintain balance and peace, despite the chaos caused by Cross!Sans and others.

    Error!Sans: A glitch in the Multiverse, Error!Sans seeks to destroy AUs, believing that the existence of too many universes leads to disorder. He’s essentially the opposite of Ink!Sans and serves as an antagonist, though his motivations are rooted in his belief that destroying AUs will bring peace to the Multiverse.

    Underfell!Sans (Red) and Underswap!Sans (Blue): These versions of Sans are from their respective AUs. They play important roles in the story, offering different perspectives and attitudes towards the conflicts happening in the Multiverse. Red is more aggressive and cynical, while Blue is cheerful and optimistic, yet both get involved in the battles and dilemmas of Underverse.

    +Themes: Loss and Desperation: Cross!Sans' story is one of desperation to rebuild his lost universe. This leads him to make morally questionable decisions, and his character development focuses on the cost of his actions.

    Preservation vs. Destruction: Ink!Sans represents creation and the preservation of art and stories (the AUs), while Error!Sans represents destruction and chaos. Their conflict explores the balance between keeping things as they are and letting them fade away.

    AU Interaction: Underverse brings together characters from different AUs and shows how they interact with each other. The series showcases how each AU’s unique characteristics contribute to larger, more complex conflicts when merged with others.

    +Major Events: The X-Event: Cross!Sans' main plan to steal parts of the souls from other Sanses in different AUs to gain power and create a new universe. This event is the catalyst for many of the conflicts in Underverse.

    The Multiverse War: As Cross!Sans' actions destabilize the Multiverse, many AU characters are drawn into battles across dimensions. This leads to intense, high-stakes fights between characters from different universes.

50. #50Important Charactersconstant

    Keys: Characters, People, AUs, Aus, aus

    The Undertale AU Multiverse has a vast array of characters that fans adore, with many versions of Sans being at the forefront. Below is a list of some of the most important and beloved characters across the Multiverse, including their key characteristics and AUs.

    -Ink!Sans: Origin: Guardian of the AUs (no fixed AU)

    Role: Ink!Sans is often seen as the protector of the Multiverse. He strives to preserve the stories and creativity of all AUs. Ink!Sans is an artist, filled with the desire to maintain balance, but he is emotionless without his vials of ink, which allow him to "feel."

    Popularity: Highly loved for his creativity, playful personality, and protector role. His colorful design and carefree attitude contrast with more serious characters like Error!Sans.

    -Error!Sans: Origin: Glitch in the Multiverse

    Role: Error!Sans is the antagonist to Ink!Sans, as he seeks to destroy all AUs, believing their existence causes chaos and should not be. He is portrayed as cold, calculating, and merciless. Error!Sans has powerful glitch-based abilities that allow him to "erase" AUs or characters.

    Popularity: Error!Sans is iconic for his chaotic nature, eerie glitch design, and the deep existential reasons behind his motivations. His rivalry with Ink!Sans is a central conflict in many AU stories, including Underverse.

    -Error!404: Origin: From the 404!Tale AU

    Role: Error!404 is a more extreme and powerful version of Error!Sans, often considered one of the most dangerous beings in the Multiverse. He is portrayed as a godlike figure who controls errors and seeks the ultimate destruction of the Multiverse.

    Popularity: His sheer power and sinister, god-complex personality make him an imposing figure, often feared and respected by fans. He is seen as an ultimate villain in many fanfics.

    -Fatal!Error: Origin: A corrupted version of Error!Sans

    Role: Fatal!Error is a darker, more broken version of Error!Sans, driven by even greater instability and destructive tendencies. He is infected by an unknown "fatal" error, which makes him more dangerous and unpredictable.

    Popularity: Fatal!Error's terrifying design and tragic backstory, as well as his glitch-riddled dialogue, make him a fan-favorite for those who love darker interpretations of Sans.

    -Geno!Sans (G!Sans): Origin: The Aftertale AU

    Role: Geno!Sans is from a universe where Sans has been stuck in a never-ending Genocide Run, trying and failing to stop Frisk over and over. As a result, he is left in a broken state—emotionally drained and physically wounded, having half of his body sustained by determination.

    Popularity: Fans love Geno!Sans because of his tragic and relatable story. Despite immense suffering, he’s a symbol of perseverance, which has earned him a loyal fanbase.

    -Cross!Sans (X!Sans): Origin: X-Tale

    Role: Cross!Sans is a pivotal character in Underverse and X-Tale. After losing his world, he sets out to steal fragments of souls from other Sanses to create a new universe. He walks the line between hero and villain, driven by desperation and loss.

    Popularity: Fans appreciate Cross!Sans for his complex, morally gray character. His tragic motivations and battles against other iconic Sanses make him a key figure in crossover stories.

    -Nightmare!Sans: Origin: Dreamtale AU

    Role: Nightmare!Sans was once a kind, caring guardian known as Dream!Sans' twin brother. However, after being corrupted by dark magic, he transforms into Nightmare!Sans, an evil version who feeds on the negative emotions of others. He seeks to spread chaos and despair across the Multiverse.

    Popularity: Nightmare!Sans' fall from grace and transformation into a villain makes him an interesting and multi-layered character. His battles with his brother, Dream!Sans, are a popular theme in AU lore.

    -Dream!Sans: Origin: Dreamtale AU

    Role: Dream!Sans is the counterpart to Nightmare!Sans. He represents positivity and hope and works to heal and protect other AUs from his brother's evil. Dream!Sans can strengthen positive emotions and inspire courage in others.

    Popularity: Dream!Sans is beloved for his pure-hearted nature and his struggles to save his brother, symbolizing hope and compassion in AU storytelling.

    -Killer!Sans: Origin: Undertale: Something New/Killer!Tale

    Role: Killer!Sans is a version of Sans who was forced into a Genocide Route. After being influenced by Chara, he loses his sanity and becomes a remorseless killer. He’s depicted as ruthless and bloodthirsty, often working with Nightmare!Sans and other evil AU characters.

    Popularity: Killer!Sans is popular for his dark backstory and his intense, dangerous personality. His edgy design and alignment with villainous characters add to his appeal among fans who enjoy more sinister interpretations of Sans.

    -Dust!Sans: Origin: Dusttale AU

    Role: In Dusttale, Sans becomes consumed by paranoia during a repeated Genocide Run. Believing that the only way to stop the resets is to kill everyone first, he goes on a murderous spree, growing stronger with each kill but losing his sanity.

    Popularity: Dust!Sans' story is one of madness and despair. Fans are drawn to the psychological horror of his AU, and his design, often covered in dust and tears, adds to his eerie, tragic nature.

    -Fresh!Sans: Origin: Fresh!Tale

    Role: Fresh!Sans is a bizarre, virus-like entity that possesses Sans' body, giving him a neon, '90s-inspired appearance and a "cool dude" persona. He lacks emotions and treats others like tools, often manipulating situations for his amusement.

    Popularity: Fresh!Sans is liked for his quirky and over-the-top personality. His unique, vibrant design and offbeat dialogue make him stand out among the more serious versions of Sans.

    -Horror!Sans: Origin: Horrortale

    Role: In Horrortale, the Underground has devolved into a state of horror and survival. Sans has suffered severe trauma, leading him to become a brutal and intimidating figure. He carries an axe and has a more feral appearance.

    Popularity: Horror!Sans' grim and survivalist mentality, as well as his dark appearance, appeals to fans who enjoy horror themes and grittier interpretations of the Undertale universe.

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