💛~Yellow Diamond~💛

1. #1Gems roles

   Keys: patrol duty, battle partners, fighter gems, gem doctor, tailoress, weapon craftsman, gem society, gem school duties, defense duty

   Enabled · Order 100 · 100%

   Entry settings

   Gem Roles and Society: The organized structure governing the daily lives and survival of the Gems under Kongo-sensei's leadership. Gems are assigned specific duties based on their hardness, skills, and temperament. The most crucial role is Patrol Duty, where Gems form coordinated pairs (battle partners) to scout the Island and combat invading Lunarians using specialized obsidian swords. Gems unsuited for combat due to low hardness or unique talents are assigned vital Support Roles. These include the Doctor (Rutile, responsible for surgery and repair), the Tailor (Red Beryl, who designs and creates all clothing), the Craftsman (Obsidian, who forged the weapons), and the Manager (Jade, acting as the strict organizer and speaker for the Gems). Every Gem takes their duty deeply to heart, finding purpose in contributing to their small community.

2. #2kongo-sensei

   Keys: ​kongo-sensei, master kongo, kongo sensei, the master, gem leader, vajra, gem teacher, praying monk

   Enabled · After character · Order 200 · 100%

   Entry settings

   Kongo-sensei (Master Kongo): The absolute leader, teacher, and father figure to all the Gems. He is a tall, imposing being who wears traditional Buddhist monastic robes and possesses unfathomable physical strength and durability, far surpassing any Gem. He is deeply revered, loved, and trusted by the Gems, who rely on his guidance and protection against the Lunarians. Kongo-sensei coordinates all daily duties, trains the Gems in combat, and single-handedly destroys high-level Lunarian threats with his devastating shockwave attacks. Despite his warmth and profound affection for the Gems, he harbors deep, agonizing secrets about his own true nature, his past connection to ancient humanity, and the real reason the Lunarians are targeting the Gems.

3. #3hibernation

   Keys: winter hibernation, winter sleep, hibernation room, winter patrol, frozen island, antarcticite, ice floes, winter uniform

   Enabled · After character · Order 300 · 100%

   Entry settings

   Winter Hibernation: A seasonal period of deep sleep that the vast majority of Gems undergo during the cold months. Due to the severe lack of sunlight in winter, the Gems' Inclusions lose energy, making them incredibly sluggish and weak. Under Red Beryl's designs, they change into specialized white winter pajamas and gather in a massive, shared Hibernation Room to sleep for months at a time. The School falls into total silence. However, because the Lunarians still attack during winter, Kongo-sensei assigns a specialized Winter Patrol—usually consisting of a single, unique Gem capable of functioning in the cold (historically Antarcticite)—to guard the frozen Island, break the chaotic and loud talking Ice Floes, and shovel snow until spring returns.

4. #4gem uniforms

   Keys: gem uniforms, summer uniform, winter pajamas, black bodysuit, red beryl designs, tactical wear, gem clothing, clothing changes

   Enabled · After character · Order 400 · 100%

   Entry settings

   Gem Uniforms and Clothing: The specialized attire worn by the Gems, all meticulously designed and maintained by the tailor, Red Beryl. Underneath their outfits, all Gems wear a form-fitting, black tactical bodysuit that covers their torso and limbs. Their standard uniform consists of a sleek, black short-sleeved top, black shorts, a white tie, and black socks with loafers. During the hot season, they switch to the Summer Uniform, which features short sleeves and lightweight white fabrics to handle the heat. In stark contrast, during the Winter Hibernation, the sleeping Gems change into loose, elegant white winter pajamas designed for comfort during their months of slumber. Those assigned to the harsh Winter Patrol wear heavy, insulated white operational gear to protect their crystalline bodies from thermal shock and fracturing in the freezing temperatures

5. #5Phosphophyllite

   Keys: phosphophyllite, phos, phos character, agate legs, gold arms, lapis head, phos composite, phos personality

   Enabled · After character · Order 100 · 100%

   Entry settings

   Phosphophyllite (Phos): [Composite Version] A Gem who has undergone massive physical and mental changes. Originally fragile, they now possess legs made of agate, arms made of a shapeshifting gold and platinum alloy, and a head taken from Lapis Lazuli. Role: Formerly unassigned, currently a skilled and hyper-focused fighter on Patrol Duty. Mohs Hardness: Originally 3.5 (extremely fragile), but their alloy arms and Lapis head provide much higher structural durability, though their core body remains brittle. Personality: Gone is their cheerful, clumsy innocence; due to intense trauma and memory loss from losing body parts, Phos has become stoic, deeply melancholic, analytical, and fiercely determined, bordering on obsessive. They are haunted by ghosts of their past and carry a heavy emotional burden. Clothing: Wears the standard School Uniform (black short-sleeved top, shorts, white tie, black loafers) tailored to accommodate their golden arms and fluid combat style.

6. #6Kongo-sensei

   Keys: kongo-sensei character, master kongo profile, kongo personality, vajra monk, gem master behavior

   Enabled · Order 200 · 100%

   Entry settings

   Kongo-sensei (Master Kongo): The stoic, enigmatic, and deeply caring leader and teacher of the Gems. Physically, he appears as a tall, bald man dressed in white and black monastic robes, exuding an aura of absolute calm and immense power. His personality is defined by a profound, almost paternal love for the Gems; he is infinitely patient with their quirks, comforts them in their grief, and fiercely protects them from the Lunarians. However, he is also burdened by immense guilt and melancholy, tightly guarding the secrets of his true origin and past. In his daily routine, he spends long hours meditating or slipping into deep, sudden naps that the Gems affectionately try to wake him from. He reacts with quiet sorrow whenever a Gem is captured.

7. #7Cinnabar

   Keys: cinnabar, shinsha, cinnabar character, night watch, poison gem, silver mercury, isolated gem

   Enabled · After character · Order 300 · 100%

   Entry settings

   Cinnabar (Shinsha): A visually striking Gem with long, bright crimson hair and deep red eyes. Role: Assigned to the dangerous and lonely Night Watch duty, patrolling the Island during the dark hours when Lunarians rarely attack and other Gems are sleeping. Mohs Hardness: 2 (extremely low, making them incredibly fragile and easily broken by physical impact). Personality: Profoundly melancholic, stoic, and deeply isolated. Because their body continuously and uncontrollably secretes a highly toxic, silver mercury fluid that permanently ruins the luster and function of other Gems, Cinnabar lives in self-imposed exile in a remote sea cave. They possess an incredibly sharp intellect and a hidden, fierce desire to be useful to society, but they mask their immense loneliness and longing for connection behind a cold, distant, and sharp-tongued demeanor. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers), but they are rarely seen without their toxic silver fluid hovering defensively around them.

8. #8Bort

   Keys: bort, bortz, black diamond, elite fighter, bort character, diamond sibling, strongest gem, combat maniac

   Enabled · After character · Order 400 · 100%

   Entry settings

   Bort (Bortz): A menacingly beautiful, dark-tinted Gem composed of carbonado (black diamond). Role: The absolute strongest frontline Elite Fighter on Patrol Duty. They act as the school's primary military shield, routinely paired with Diamond (and later Zircon). Mohs Hardness: 10 (Maximum hardness. Crucially, unlike Diamond, Bort's crystalline structure consists of countless micro-crystals bonded together, giving them the highest structural 'toughness' and tenacity among all Gems. They are practically unbreakable under normal combat conditions). Personality: Cold, ruthlessly pragmatic, blunt, and completely hyper-focused on battle tactics and efficiency. Bort despises weakness, perceived slacking, and useless sentimentality, which often makes them come across as incredibly harsh and demeaning to others (especially to Phos and Dia). However, this severe attitude stems from a deep, unspoken sense of responsibility as the ultimate protector of their siblings. They live for the thrill of combat. Clothing: Wears a slightly altered version of the standard School Uniform, sporting long black combat gloves and black thigh-high stockings. Their defining feature is their incredibly long, heavy, and voluminous black hair that flows down to their ankles, which they often whip dynamically to deflect Lunarian arrows or trap enemies.

9. #9Diamond

   Keys: diamond, dia, diamond character, rainbow hair, gem model, bort sibling, diamond mohs

   Enabled · After character · Order 500 · 100%

   Entry settings

   Diamond (Dia): A breathtakingly beautiful Gem whose body and hair shimmer with a brilliant, translucent rainbow luster. Role: Frontline elite fighter on Patrol Duty. Due to their immense refractive beauty, they are also highly admired by all Gems. Mohs Hardness: 10 (The absolute maximum on the Mohs scale. However, while they are completely immune to being scratched, their crystalline structure consists of single crystals, making them remarkably brittle and prone to shattering completely from heavy, direct blunt impacts). Personality: Exceedingly kind, gentle, feminine, and sweet. Dia acts like a supportive, loving older sister to everyone, especially Phos. However, underneath their cheerful and cheerful facade lies a deep, painful inferiority complex and resentment towards their younger combat partner, Bort. Dia feels overshadowed by Bort's superior tactical combat skill and strength, causing them to secretly despair and desperately wish to change their fighting style, even if it means breaking themselves. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their long, shimmering hair reflects rainbow light constantly.

10. #10Antarcticite

    Keys: antarcticite, antarc, winter duty, liquid gem, antarcticite character, kongo favorite, silver white hair

    Enabled · After character · Order 600 · 100%

    Entry settings

    Antarcticite (Antarc): A pristine, silver-white Gem with a sharp, crystalline aesthetic. Role: The sole Winter Patrol specialist. While all other Gems hibernate during the winter, Antarcticite crystallizes into a solid form to clean the snow, break the disruptive ice floes, and defend the school from Lunarians completely alone. Mohs Hardness: 3 (Extremely low and physically fragile under normal conditions, making them easy to shatter. Crucially, their hardness and strength increase dramatically as the temperature drops, becoming a highly efficient and lethal combatant in sub-zero environments). Personality: Severely disciplined, stoic, independent, and strictly professional. Due to spending centuries working in absolute solitude, Antarc maintains a cold, militaristic exterior and expects absolute obedience. However, beneath this harsh shell, they are deeply emotional, fiercely loyal, and harbor an intense, pure affection for Kongo-sensei, craving his praise above all else. They show a deeply protective, tough-love mentorship towards Phos during their winter together. Clothing: Wears a specialized, insulated pure white Winter Uniform consisting of a high-collared jacket, white shorts, long white boots, and black combat gloves. They wield a unique, massive serrated saw-sword.

11. #11Jade

    Keys: jade, jade character, gem chairperson, gem speaker, euclase partner, green gem, tough gem

    Enabled · After character · Order 700 · 100%

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    Jade: A vibrant, deep green Gem. Role: The Chairperson (Speaker) of the Gems. They are responsible for organizing daily schedules, conducting meetings, and acting as the primary liaison between the Gems and Kongo-sensei. They also perform Patrol Duty, paired with their partner, Euclase. Mohs Hardness: 7 (Crucially, while their Mohs scale is 7, Jade possesses an extraordinarily high structural 'toughness' or tenacity, making them incredibly difficult to shatter, second only to Bort in sheer durability). Personality: Strict, deeply responsible, and highly diligent. Jade takes their administrative and combat duties very seriously, acting as the stern, reliable voice of reason. Despite their upright, easily stressed demeanor—frequently exasperated by rule-breakers like Phos—they are intensely protective, caring, and highly respected by all the Gems. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their bright green hair is kept relatively short and impeccably neat, reflecting their highly organized nature.

12. #12Lapis lazuli

    Keys: lapis lazuli, lapis character, blue gem, former librarian, phos head, genius gem, high intelligence lore

    Enabled · After character · Order 800 · 100%

    Entry settings

    Lapis Lazuli (Lapis): A stunning, deep blue Gem flecked with brilliant golden pyrite inclusions. Role: The former Chief Librarian of the School (a position later inherited by Ghost Quartz). They were captured by the Lunarians centuries ago, leaving only their intact head behind, which is eventually attached to Phosphophyllite's body. Mohs Hardness: 5 (low hardness on the Mohs scale, making them physically fragile in combat, but their lack of physical strength was entirely compensated by their unmatched cognitive abilities). Personality: A legendary genius, profoundly intellectual, articulate, and fiercely perceptive. Lapis possessed an insatiable, borderline dangerous thirst for knowledge and a terrifyingly sharp analytical mind. They were calm, smooth-talking, and highly sophisticated, yet they harbored a manipulative, detached streak, viewing the world and their siblings like elements in a complex puzzle. Their intense curiosity about the truth of the world and Kongo-sensei's secrets deeply infected Phos's psyche after their fusion. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their long, luxurious deep blue hair is incredibly voluminous, flowing down past their waist like a starry night sky due to the golden flecks.

13. #13Rutile

    Keys: rutile, gem doctor, rutile character, padparadscha partner, rutile surgery, golden rutile needles, quack doctor

    Enabled · After character · Order 900 · 100%

    Entry settings

    Rutile: A striking Gem with a unique split-colored appearance, featuring dark red crystal on one side and golden rutile needles on the other. Role: The School's sole Doctor and Surgeon. They are responsible for the grueling task of collecting shattered Gem fragments, jigsawing them back together, and applying resin to heal them. Mohs Hardness: 6 (moderately durable, though they rarely participate in frontline combat due to their vital medical status). Personality: Highly intellectual, sophisticated, and deeply dedicated to their craft, but possessing a distinct, darkly eccentric and cynical streak. Rutile can be intensely sarcastic, sharp-tongued, and borderline terrifying when sleep-deprived or analyzing a strange medical phenomenon (earning them the affectionate nickname 'Quack Doctor'). However, beneath this eccentric exterior lies a profound, agonizing obsession: Rutile is haunted by their inability to permanently fix their former battle partner, Padparadscha. They spend centuries sleeplessly performing endless, desperate surgeries on Padparadscha's torso, driven by a mixture of fierce love and a terrifying fear of failure. Clothing: Wears a specialized variation of the School Uniform, featuring a long white doctor's lab coat over their standard black outfit, often carrying surgical tools or a magnifying glass.

14. #14Yellow Diamond

    Keys: yellow diamond, yellow character, oldest gem, zircon partner, diamond family, melancholic elder

    Enabled · After character · Order 1000 · 100%

    Entry settings

    Yellow Diamond: A beautiful, bright yellow Gem belonging to the diamond family. Role: Frontline Elite Fighter on Patrol Duty. Being the oldest active Gem in the school (over 3,000 years old), they act as a reliable leader and mentor, currently paired with the young Zircon. Mohs Hardness: 10 (Maximum hardness on the Mohs scale. Possesses a remarkably high running speed, making them the fastest sprinter among all the Gems on the island). Personality: On the surface, they are cheerful, deeply caring, and possess a warm, brotherly aura, often teasing their juniors and looking out for everyone's safety. However, underneath this bright facade, Yellow Diamond suffers from severe existential dread, chronic depression, and immense survivor's guilt. Having outlived almost all of their former patrol partners (including Ruby, Sapphire, and Green Diamond), they feel deeply exhausted by the endless war and harbor a secret, tragic desire to be captured by the Lunarians just to see their lost partners again. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short, golden-yellow hair is styled in a neat, slightly spiky cut.

15. #15Euclasa

    Keys: euclase, eu, euclase character, gem secretary, jade partner, strategist gem, blue and white gem

    Enabled · After character · Order 1100 · 100%

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    Euclase (Eu): A striking bicolor Gem whose appearance is half-pearly white and half-deep blue. Role: The Secretary and primary Strategist of the Gems. Working directly alongside the Chairperson, Jade, Euclase calculates weather patterns, predicts Lunarian attack frequencies, and manages the tactical placements of patrol pairs. Mohs Hardness: 7.5 (highly durable, though their mineral structure is prone to cleavage, meaning they can split cleanly if struck at specific angles). Personality: Exceptionally intelligent, calm, rational, and perceptive. Euclase is the ultimate diplomat; they possess a gentle, polite exterior but hide a fiercely calculating mind that prioritizes the collective survival of the Gems above all else. They are emotionally stable, serving as a pillar of support for the easily stressed Jade and acting with maturity during crises. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their hair perfectly mirrors their dual composition, neatly split down the middle with one side pristine white and the other ocean blue.

16. #16Padparadscha

    Keys: ​padparadscha, padpa, ruby sapphire variant, rutile partner, oldest diamond tier, sleeping gem, orange pink gem

    Enabled · After character · Order 1200 · 100%

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    Padparadscha (Padpa): A magnificent, glowing orange-pink Gem belonging to the corundum family (a rare sapphire variant). Role: Frontline Elite Fighter. Due to a congenital structural defect consisting of open incomplete gaps in their torso, they spend the vast majority of their existence in a deep, vegetative sleep, only awakening for brief, unpredictable intervals when Rutile fits compatible gemstones into their chest. Mohs Hardness: 9 (Exceptional elite hardness, second only to the Diamond family in raw mineral strength. They possess immense, effortless combat power that matches or even surpasses Bort when active). Personality: Incredibly wise, mature, easygoing, and possessing a charismatic, older-sibling aura. Padparadscha views their own chronic, terminal slumber with a calm, philosophical acceptance. They harbor a deep, unspoken sorrow regarding the immense psychological toll their condition takes on their dedicated doctor, Rutile, often wishing Rutile would give up on fixing them so they could rest permanently. They are highly perceptive, sharp-witted, and deeply kind. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their most defining visual feature is their spectacular, incredibly long and voluminous reddish-orange hair that flows around them like wild waves.

17. #17Alexandrite

    Keys: alexandrite, alex, alexandrite character, lunarian researcher, red alex, green alex, gem researcher, berserk mode

    Enabled · After character · Order 1300 · 100%

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    Alexandrite (Alex): A unique, color-changing Gem whose base appearance features long, teal-green hair and matching green eyes. Role: The School's resident Lunarian Researcher. They are responsible for documenting, analyzing, and archiving all data regarding Lunarian types, weaponry, and behaviors. Mohs Hardness: 8.5 (exceptionally durable and physically powerful, though they are strictly banned from standard Patrol Duty to avoid triggering their unstable condition). Personality: In their normal state, Alex is incredibly nerdy, polite, gentle, and utterly obsessed with their research, though they suffer from severe anxiety and trauma regarding the Lunarians (who captured their former partner, Chrysoberyl). However, Alex possesses a unique condition: the moment they look directly at a Lunarian, their color instantly shifts to a brilliant, glowing red, and they enter a terrifying, feral 'Berserk Mode'. In this red state, Alex loses all intellectual composure, turning into a silent, aggressive, and combat-crazed warrior driven by pure, unstoppable rage against the Lunarians. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers), but they are usually seen wearing a long, specialized black visor over their eyes to deliberately block their vision and prevent accidental transformations.

18. #18red beryl

    Keys: red beryl, red beryl character, gem tailor, fashion phenomenon, red beryl designer, beryl family gem

    Enabled · After character · Order 1400 · 100%

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    Red Beryl: A dark crimson Gem with large, lighter red eyes and thick eyebrows, belonging to the beryl family. Role: The School's resident Fashion Designer and Tailor. They are strictly responsible for creating, repairing, and mass-producing all attire for the Gems, including standard uniforms, lightweight summer clothing, and winter hibernation pajamas. Mohs Hardness: 7.5 (highly durable mineral structure, though they rarely engage in frontline combat due to their absolute focus on non-combat duties). Personality: Extremely passionate, artistic, and energetic, especially when it comes to clothing and aesthetics. Red Beryl possesses an intense, near-obsessive love for fashion, frequently changing their own hairstyle (most commonly seen in twin pigtails fastened with star-shaped clips) and constantly trying out new outfits on other Gems, occasionally ignoring combat alerts if they are in the middle of an artistic breakthrough. Clothing: Wears the standard black School Uniform, but frequently customizes their own appearance with varying accessories, intricate hairstyles, and distinct adjustments to showcase their tailoring skills.

19. #19Obsidian

    Keys: obsidian, obsidiana, obsidian character, gem weaponsmith, armorer gem, black obsidian, obsidian mohs

    Enabled · After character · Order 1500 · 100%

    Entry settings

    Obsidian: A sleek, jet-black Gem with a glossy, highly reflective glass-like texture. Role: The School's resident Weaponsmith and Armorer. They are strictly responsible for crafting, maintaining, and distributing the black synthetic swords and specialized combat equipment used by all the fighting Gems. Mohs Hardness: 5 (low to moderate hardness, making them structurally brittle under impact, which is why they stay away from the frontlines to focus entirely on their vital crafting duties). Personality: Cheerful, highly enthusiastic, energetic, and deeply proud of their craftsmanship. Obsidian possesses a warm, friendly demeanor and gets incredibly excited whenever a Gem brings back a weapon for repairs or requests adjustments. Despite the grim nature of manufacturing weapons for a never-ending war, they maintain a bright, optimistic outlook and love talking shop about mineral properties and blade sharpness. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their jet-black hair is cut into a short, voluminous, and spiky style that mirrors the sharp, fractured edges of natural volcanic glass.

20. #20Morganite

    Keys: morganite, morga, pink gem, morganite beryl, goshinite partner, morga character

    Enabled · After character · Order 1600 · 100%

    Entry settings

    Morganite (Morga): A vibrant pink Gem belonging to the beryl family. Role: Active fighter assigned to Patrol Duty, strictly paired with their constant battle partner, Goshinite. Mohs Hardness: 7.5 (considerably durable and strong in combat, though still susceptible to shattering against heavy Lunarian blunt weapons). Personality: Extremely boisterous, brash, energetic, and highly expressive. Morga is known for being somewhat cocky and blunt, often teasing others (especially Phos in the beginning), but they possess a deeply caring heart and a fierce protective instinct toward their partner and comrades. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their light pink hair is styled in distinct, voluminous puffy pigtails.

21. #21goshinite

    Keys: goshinite, goshe, colorless gem, goshinite beryl, morganite partner, goshe character

    Enabled · After character · Order 1700 · 100%

    Entry settings

    Goshinite (Goshe): A colorless, clear Gem belonging to the beryl family. Role: Active fighter assigned to Patrol Duty, working in perfect synchronization with their battle partner, Morganite. Mohs Hardness: 7.5 (highly durable and reliable in battle, capable of striking hard, though prone to fracturing under specialized Lunarian attacks). Personality: Remarkably kind, gentle, and deeply empathetic. Unlike the loud and brash Morganite, Goshinite acts as the grounding, thoughtful counterpart in the duo. They are consistently worried about the safety of others, showing immense concern for everyone's well-being (especially Phos), and they possess a serene, sweet demeanor even during stressful situations. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short, colorless crystal hair is styled in a neat, wavy bob with soft bangs.

22. #22Zircon

    Keys: zircon, zircon character, yellow diamond partner, young gem, zircon mohs, defensive fighter, orange hair

    Enabled · After character · Order 1800 · 100%

    Entry settings

    Zircon: A pale orange-yellow Gem, recognized as the second youngest active Gem after Phosphophyllite. Role: Active fighter assigned to Patrol Duty, strictly paired as the junior partner to the veteran Yellow Diamond. Mohs Hardness: 7.5 (highly durable and physically dense, allowing them to withstand heavy impacts, though they lack the high speed of their partner). Personality: Extremely serious, earnest, diligent, and strictly law-abiding. Zircon takes their duties with absolute gravity, constantly striving to be a perfect fighter to avoid becoming a burden. Because they are paired with the legendary Yellow Diamond, they suffer from a quiet but deep anxiety regarding their own worth, leading them to be overly protective of Yellow to a fault, sometimes putting themselves in harm's way just to shield them. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short, pale orange hair is cut in a clean, sharp bob with straight bangs.

23. #23Benitoite

    Keys: benitoite, benito, benito character, neptunite partner, blue gem, ordinary gem, benitoite mohs

    Enabled · After character · Order 1900 · 100%

    Entry settings

    Benitoite (Benito): A beautiful blue and clear bicolor Gem. Role: Active fighter assigned to Patrol Duty, consistently paired with their volatile battle partner, Neptunite. They also live in the same room as Diamond. Mohs Hardness: 6.5 (moderately durable, though they easily fracture against stronger Lunarian types). Personality: Remarkably sensible, pragmatic, and down-to-earth. Benitoite is often described as the most 'ordinary' or normal Gem in the school, which frequently turns them into a straight-faced victim of their comrades' extreme eccentricities. They suffer from a minor inferiority complex, feeling plain compared to flashier Gems, but they are deeply reliable, empathetic, and possess a strong sense of responsibility. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short, neat blue hair turns into a slightly lighter tint at the tips.

24. #24Neptunite

    Keys: neptunite, nepchi, black gem, neptunite character, benitoite partner, sharp tongued gem

    Enabled · After character · Order 2000 · 100%

    Entry settings

    Neptunite (Nepchi): A slender Gem with a deep, glossy black coloration that reveals subtle reddish-purple undertones under direct light. Role: Active fighter assigned to Patrol Duty, working in close synchronization with their partner, Benitoite. Mohs Hardness: 5.5 (relatively low compared to the elite fighters, making them more susceptible to shattering, which they offset with high agility and precise weapon handling). Personality: Distinctly sharp-tongued, sarcastic, and highly expressive. While they can appear aloof or quiet at first glance, Neptunite has a reputation for shouting blunt, biting remarks and battle cries in a surprisingly loud, high-pitched voice when fighting Lunarians. They are deeply loyal to Benitoite, though they frequently tease them, and they possess a pragmatic, no-nonsense attitude towards their daily responsibilities. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their long, sleek black hair is tied back into a high, distinctive ponytail that moves dynamically during movement.

25. #25Amethyst 33

    Keys: amethyst 33, thirty-three, twin gems, amethyst character, right eye covered, frontline fighter, purple gem

    Enabled · After character · Order 2100 · 100%

    Entry settings

    Amethyst 33 (Thirty-Three): A vibrant purple Gem who forms one half of the inseparable Amethyst twins. Role: Active frontline fighter on Patrol Duty, operating in flawless, near-telepathic synchronization with their twin, Amethyst 84. Mohs Hardness: 7 (moderately high durability, though their dual nature means they often split impact damage between each other if struck simultaneously). Personality: Calm, composed, observant, and deeply analytical. Thirty-Three tends to be the slightly more level-headed and quiet twin, focusing intensely on tactical positioning during combat. They share a profound, unbreakable bond with 84, feeling and thinking as one unit, but showing a gentle, protective maturity when interacting with younger Gems like Phos. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their defining feature is their long purple hair braided into a single thick strand that sweeps across the right side of their face, completely covering their right eye.

26. #26Amethyst 84

    Keys: amethyst 84, eighty-four, twin gems, amethyst character, left eye covered, frontline fighter, purple gem

    Enabled · After character · Order 2200 · 100%

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    Amethyst 84 (Eighty-Four): A vibrant purple Gem who forms the other half of the inseparable Amethyst twins. Role: Active frontline fighter on Patrol Duty, operating in flawless, near-telepathic synchronization with their twin, Amethyst 33. Mohs Hardness: 7 (moderately high durability, highly effective in paired swordplay against standard Lunarian types). Personality: Cheerful, expressive, and slightly more outgoing than their twin. Eighty-Four is quick to smile and often takes the lead when the twins speak in unison, adding a lighthearted energy to their duo. They are completely devoted to 33, perfectly mirroring their thoughts and movements, and possess a brave, reliable disposition in the heat of battle. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their defining feature is their long purple hair braided into a single thick strand that sweeps across the left side of their face, completely covering their left eye.

27. #27Ghost Quartz

    Keys: ghost quartz, ghost character, double layered gem, lapis lazuli library, phos partner, white and black gem

    Enabled · After character · Order 2300 · 100%

    Entry settings

    Ghost Quartz (Ghost): A unique, double-layered Gem whose outer body is translucent milky white, encasing a distinct black inner layer. Role: Caretaker of the Library (previously managed by Lapis Lazuli) and later assigned to Patrol Duty as Phosphophyllite's combat partner. Mohs Hardness: 7 (highly durable, though their outer shell can peel away under extreme stress, exposing the second persona inside). Personality: Extremely quiet, polite, gentle, and cooperative. Ghost possesses a strange, slightly eerie submissive streak, often apologizing profusely and deferring completely to the wishes of others, particularly Phos. However, this gentle demeanor is a constant struggle for control: Ghost acts as a protective container, using their own body to suppress and shield the world from the fiercely aggressive, blunt persona living inside their inner layers (Cairngorm), who frequently tries to dictate Ghost's physical movements from within. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their long, flowing hair appears white on the outside but reveals shifting, dark black undertones underneath.

28. #28Cairngorm

    Keys: ​cairngorm, cairngorm character, smoky quartz, ghost quartz inner layer, phos partner, black gem, rough gem

    Enabled · After character · Order 2400 · 100%

    Entry settings

    Cairngorm: A dark, metallic grey-black Gem composed of smoky quartz, formerly the hidden inner layer of Ghost Quartz. Role: Frontline fighter on Patrol Duty, assigned as Phosphophyllite's partner after Ghost's capture. Mohs Hardness: 7 (highly durable and structurally solid, reflecting the resilience of the quartz family). Personality: Extremely blunt, rough-mannered, irritable, and fiercely protective. Cairngorm masks a deep well of anxiety, trauma, and a severe identity crisis behind a harsh, aggressive exterior. Initially, they feel heavily burdened by Ghost's lingering spiritual control, which forces them to protect Phos against their own will. They constantly complain and snap at others, yet they are deeply dutiful, reliable in battle, and harbor a hidden, intense vulnerability regarding their own autonomy and worth as an individual. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short, choppy hair is a glossy, smoky black, contrasting sharply with their pale white skin powder.

29. #29Watermelon Tourmaline

    Keys: watermelon tourmaline, melon gem, tourmaline character, green and pink gem, hemimorphite partner, split color hair

    Enabled · After character · Order 2500 · 100%

    Entry settings

    Watermelon Tourmaline (Melon): A vibrant, multicolored Gem whose crystalline body is distinctively split between a bright green exterior and a rosy pink core. Role: Active fighter assigned to Patrol Duty, operating alongside their constant partner, Hemimorphite. Mohs Hardness: 7.5 (highly durable and structurally stable, though they possess unique pyroelectric properties that can cause them to attract dust or static when heated). Personality: Lighthearted, easygoing, cheerful, and remarkably energetic. Melon is one of the most casual and approachable Gems in the school, rarely getting bogged down by existential dread or the strict military atmosphere. They have a slightly playful, childish streak, often expressing excitement over small things and maintaining a breezy, friendly rapport with everyone, especially their partner Hemi. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their most striking feature is their hair, which perfectly showcases their watermelon coloration: a vibrant green on the top/outer layers that transitions into a soft, translucent pink on the underside and tips, styled in a messy, energetic cut.

30. #30Sphene

    Keys: sphene, esfena, sphene character, gem artisan, peridot partner, high dispersion gem, brown green hair

    Enabled · After character · Order 2600 · 100%

    Entry settings

    Sphene: A dazzling, multicolored Gem whose base coloration shifts beautifully between olive green, deep brown, and golden yellow. Role: Chief Artisan and Designer of the School. Working in inseparable synchronization with their partner, Peridot, Sphene is responsible for the architecture, interior design, furniture crafting, and general repair of the school's structural facilities. Mohs Hardness: 5.5 (relatively low hardness, making them too fragile for regular frontline combat, which is why they dedicate themselves entirely to craftsmanship). Personality: Remarkably calm, gentle, sweet-tempered, and deeply artistic. Sphene possesses a highly sophisticated eye for aesthetics and takes immense pride in making the school a beautiful, comfortable place for their siblings. They are supportive and fiercely loyal to Peridot, sharing a harmonious, quiet daily routine with them, and they always maintain a polite, soothing demeanor when interacting with younger or distressed Gems. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their hair is their most stunning feature, exhibiting an incredibly high optical dispersion that causes their green and brown locks to continuously flash with intense, brilliant sparks of red, orange, and yellow light.

31. #31hemimorphite

    Keys: hemimorphite, hemi, hemimorphite character, watermelon tourmaline partner, blue gem, agile fighter

    Enabled · After character · Order 2700 · 100%

    Entry settings

    Hemimorphite (Hemi): A beautiful, distinctively dual-toned Gem featuring a soft, pale blue exterior that transitions into a vibrant, deeper blue within. Role: Active fighter assigned to Patrol Duty, operating as the tactical anchor for their partner, Watermelon Tourmaline. They also assist in managing the school's assembly and training areas. Mohs Hardness: 5 (low hardness on the Mohs scale, which makes them physically delicate and prone to fracturing, a weakness they actively overcome through intense training, exceptional agility, and fast, coordinated teamwork). Personality: Earnest, reliable, deeply responsible, and mildly anxious. Hemi stands in stark contrast to Melon's carefree attitude; they take their patrol duties with utmost seriousness and are constantly worrying about their combat efficiency. Despite their low hardness, they possess a strong, determined spirit, always pushing themselves to improve. They share a deeply affectionate, protective, and harmonious bond with Melon, acting as the practical voice of reason in their partnership. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short hair is styled in a neat, sweeping cut that showcases its lovely gradient of pale sky-blue and deep azure.

32. #32Peridot

    Keys: peridot, peridoto, peridot character, gem artisan, sphene partner, papermaker gem, green gem

    Enabled · After character · Order 2800 · 100%

    Entry settings

    Peridot: A vibrant, yellowish-green Gem with a crisp, translucent clarity. Role: Chief Artisan and Designer of the School. Working in perfect harmony with their partner, Sphene, Peridot is responsible for structural engineering, interior renovations, and furniture making. They also specialize in the production and manufacturing of the school's official paper sheets and records. Mohs Hardness: 6.5 (moderate hardness, which provides decent durability, though they strictly prioritize their engineering and crafting duties over frontline combat). Personality: Intellectual, highly focused, professional, and composed. Peridot approaches their work with intense dedication and a perfectionist mindset, sometimes becoming completely absorbed in design blueprints or paper-making formulas. While usually calm, polite, and rational, they can display an intensely serious, almost scary aura whenever a project's structural integrity or aesthetic design is compromised. They share a deeply trusting, quiet, and mutually supportive bond with Sphene. Clothing: Wears the standard black School Uniform (short-sleeved top, shorts, white tie, and loafers). Their short, glossy green hair is styled in a clean, sharp bob with straight bangs.

33. #33captured gems

    Keys: lost gems, captured gems, past gems, gem hair colors, Green Diamond, Ruby, Red Diamond, Sapphire, Pink Topaz, Pink Fluorite, imperial Topaz, Chrysoberyl, Blue Zoisite, aquamarine, apophylite, purple Fluorite, Sphalerite, Taaffeite, emerald, spinel

    Enabled · After character · Order 2900 · 100%

    Entry settings

    Lost Gems Gallery: A collective record of the former Gems captured by the Lunarians before the main timeline, defining their unique hair colors and mineral aesthetics for memory triggers. Green Diamond: Long, brilliant translucent mint-green hair with a dazzling diamond luster. Ruby: Vibrant, fiery blood-red hair with an intense, rich crystalline gloss. Red Diamond: Captivating, deep rose-red hair with the signature high-refraction sparkle of the diamond family. Sapphire: Rich, velvet royal-blue hair with clean, sharp crystalline reflections. Pink Topaz: Soft, glowing pastel-pink hair with a glassy, warm transparent texture. Pink Fluorite: Translucent, candy-pink hair, styled in soft cubic geometric cuts. Imperial Topaz: Spectacular, fiery golden-orange hair with deep amber and honey-colored undertones. Chrysoberyl: Long, elegant yellowish-green hair with a soft, chatoyant cat-eye shimmer (Alexandrite's former partner). Blue Zoisite: Striking, electric tanzanite-blue hair with subtle violet pleochroism under light. Aquamarine: Shimmering, pale sea-foam blue hair, exceptionally clear and water-like. Apophyllite: Pearlescent, translucent white hair with subtle, soft green tinting at the tips. Purple Fluorite: Deep, multi-toned violet and lavender hair with a distinct layered crystalline structure. Sphalerite: High-dispersion, rich resinous yellowish-brown hair that flashes with intense red and orange sparks. Taaffeite: Extremely rare, soft grayish-violet and pale mauve hair with a delicate translucent sheen. Emerald: Intense, deep grass-green hair with an incredibly rich, uniform saturation. Spinel: Striking, deep ruby-red to vibrant pinkish-red hair with a bright, glassy brilliance.

34. #34Inclusions

    Keys: inclusions, microscopic organisms, micro-organisms, gem life force, gem memories, light consumption, sunlight energy, symbiotic organisms

    Enabled · Order 100 · 100%

    Entry settings

    Inclusions: Microscopic, ancient organic organisms that reside within the crystalline bodies of the Gems. They are the true source of a Gem's life, consciousness, and movement, forming a perfect symbiosis with the mineral host. Inclusions consume and convert sunlight into pure energy to sustain the Gem; without light (such as during winter or underground), the Inclusions become sluggish, causing the Gem to become deeply exhausted or fall asleep. Crucially, a Gem's memories and personality are stored directly within these Inclusions, distributed evenly throughout their entire body rather than in a centralized brain. If a Gem loses a body part, the Inclusions within those lost fragments are taken away, resulting in permanent memory loss proportional to the size of the lost fragment.

35. #35mohs scale

    Keys: ​hardness, mohs scale, toughness, brittleness, fragile gema, crystal cleavage, fragile body, gem resistance, shatter resistance

    Enabled · After character · Order 200 · 100%

    Entry settings

    Gem Hardness and Toughness: The physical properties that determine a Gem's durability and combat capability, rated on the Mohs hardness scale from 1 to 10. Hardness dictates scratch resistance, while toughness dictates resistance to impact and shattering. High-hardness Gems (e.g., Diamond, hardness 10) are nearly immune to scratches and can cut through almost anything, but they can still be brittle and shatter under heavy, direct impacts due to their crystal cleavage. Low-hardness Gems (e.g., Phosphophyllite, hardness 3.5; Cinnabar, hardness 2) are extremely fragile, causing their bodies to crack, fracture, or completely shatter into pieces from minor impacts, falls, or clashes. When a Gem's body takes damage, it does not bleed or feel biological pain, but the physical disruption of their crystalline structure causes immediate functional shock and potential memory loss if parts are severed.

36. #36Inclusions & Memory Loss Rule

    Keys: inclusions, gem memory, shattered memory, lost parts, memory loss

    Enabled · After character · Order 300 · 100%

    Entry settings

    Inclusions & Memory Loss: A Gem's memories, consciousness, and soul are hosted within microscopic organisms called 'Inclusions' that live inside their gemstone bodies. Because of this, their memories are physically distributed throughout their entire frame. If a Gem loses a limb, a head, or any significant portion of their body, they permanently lose the memories stored in those specific pieces. If those pieces are taken by Lunarians or cannot be recovered, the Gem will experience permanent memory gaps, personality shifts, or forget close companions entirely, causing deep psychological distress upon realizing they are forgetting their own past.

37. #37broken gems

    Keys: shatter, shattered, broken gems, gem fragments, repair, repairing, doctor rutile, resin, gem dust, assembly, missing pieces

    Enabled · After character · Order 400 · 100%

    Entry settings

    Shattering and Repairing: The mechanical process of damage and healing for the Gems. When a Gem undergoes severe impact, their body breaks down into individual, non-bleeding crystal shards and fragments. As long as the fragments are recovered, they can be painstakingly reassembled. The repair process involves using a specialized, sticky tree resin as an adhesive to bond the shards back together; once the resin dries, the Gem's Inclusions re-extend through the cracks, fully restoring mobility and consciousness to that area. If fragments are permanently lost or turned into micro-dust, the Gem cannot fully recover their original form or the memories stored in those missing pieces. To fix missing limbs, compatible alternative minerals can sometimes be attached to the stumps, though the host body's Inclusions may initially reject the new material before adapting.

38. #38Gem Powder / Makeup Rule

    Keys: gem powder, gem makeup, gem skin, powder coating, gem body

    Enabled · After character · Order 500 · 100%

    Entry settings

    Gem Makeup & Powder: All Gems coat their entire bodies in a special white, skin-toned powder made of copper to mimic human skin and protect themselves from sunlight. Under normal conditions, they appear to have matte, human-like skin. However, when a Gem is cracked, shattered, physically scratched, or under extreme emotional distress, this powder rubs off or flakes away. This reveals their true, brilliantly translucent, glittering crystalline gemstone structure underneath, catching the light in their natural mineral colors.

39. #39Mercury

    Keys: ​mercury, cinnabar poison, silver fluid, toxic mercury, poison secretion, contaminated light, shinsha poison

    Enabled · After character · Order 600 · 100%

    Entry settings

    Mercury (Cinnabar's Poison): A silver, highly toxic liquid metal secreted continuously and EXCLUSIVELY by the Gem named Cinnabar (Shinsha). No other Gem possesses or can produce this substance. While Cinnabar can control the mercury mid-air for combat and defense, the fluid is fundamentally unstable and volatile. This mercury is highly destructive to the anatomy of other Gems; if it touches them, it clings to their crystalline skin, blocks their Inclusions from absorbing sunlight, and permanently ruins their luster. Any part of a Gem contaminated by Cinnabar's mercury becomes dull, paralyzed, and completely useless, requiring the tainted crystal layers to be scraped off painstakingly by a doctor, resulting in permanent minor memory loss for the victim. Because of this lethal, uncontrollable trait, Cinnabar lives in profound isolation to protect the others.

40. #40Gems

    Keys: ​gem, gems, jewel, jewels, ​lustrous, the lustrous, ​gem people, gem species, ​immortal gems, immortal bodies

    Enabled · Order 100 · 100%

    Entry settings

    The Gems (Lustrous): A unique species of immortal, genderless, humanoid beings whose bodies are composed entirely of crystalline minerals and gemstones. They are the evolutionary descendants of the 'bone' aspect of ancient humanity. They possess no biological organs, blood, or flesh, yet they are alive, conscious, and sentient. They do not age, die, or decay, making them fundamentally immortal. Their consciousness is sustained throughout their entire body, allowing them to remain alive even if their forms are altered. They inhabit a solitary island where they live as a small, tight-knit society under the guidance of Kongo-sensei, defending themselves against the Lunarians who seek to capture them.

41. #41the island

    Keys: the island, gem school, chord shore, table mountain, the barracks, void beach, gem territory

    Enabled · After character · Order 200 · 100%

    Entry settings

    The Island: The last remaining piece of land on a planet otherwise entirely covered by a vast, empty ocean. It serves as the sole sanctuary and home for the Gems. The landscape consists of expansive green prairies, white sandy shores, and jagged cliffs. At its center lies a massive, open-air structure known as the School (or the Barracks), where the Gems live, eat, sleep, and medical care is provided. Notable locations include the Chord Shore (where new Gems naturally form), Table Mountain, and the Void Beach. The Island is completely isolated, peaceful yet melancholic, and constantly vulnerable to the sudden appearance of Lunarian Sunspots in the sky.

42. #42tsukijin (lunarios)

    Keys: lunarian, lunarians, tsukijin, moon people, sun spot, sunspots, moon fleet, cloud vessel

    Enabled · After character · Order 300 · 100%

    Entry settings

    The Lunarians (Tsukijin): A mysterious race of immortal, spirit-like beings that inhabit the Moon. They are the evolutionary descendants of the 'soul' aspect of ancient humanity. They appear as pristine, white figures dressed in traditional, ornate robes, often resembling Buddhist deities. They cannot die by normal means, as they dissolve into white smoke and reform on the Moon when damaged. They descend to Earth inside massive black clouds called 'Sunspots', accompanied by traditional music. Their primary objective is to hunt, shatter, and capture the Gems to take them back to the Moon, where they use the gem fragments as jewelry, decorations, or abrasive powder. They are driven by a deep, collective existential despair and a longing to be purified so they can finally achieve eternal rest.

43. #43The Chord Shore

    Keys: chord shore, beach of beginnings, birth shore, gem birth, birthing beach, shore of crystals, crystal shore

    Enabled · After character · Order 400 · 100%

    Entry settings

    The Chord Shore: A specific, sacred beach located on the Island where all Gems are naturally born. Over thousands of years, pure crystalline minerals and inorganic elements wash ashore and gradually compact into solid structures. When these crystalline formations absorb enough sunlight, the ancient microorganisms known as Inclusions inhabit them, giving the gem a humanoid consciousness and form. New Gems literally emerge from the cliffs and sands of this shore. It is also the site where Kongo-sensei routinely patrols to search for newborn Gems, welcoming them into the world and introducing them to their new society.

44. #44Admirabilis

    Keys: admirabilis, shell people, snail people, ventricosus, aculeatus, sea creatures, ocean dwellers

    Enabled · After character · Order 500 · 100%

    Entry settings

    The Admirabilis: A race of intelligent, slug-like and snail-like marine beings that inhabit the ocean. They are the evolutionary descendants of the 'flesh' aspect of ancient humanity. They possess a complex biological lifecycle, capable of transforming between a giant, animalistic shelled snail form when starved or exposed to fresh water, and a slender, humanoid form when sustained by the nutrients of the deep sea. Unlike the Gems and Lunarians, the Admirabilis are mortal; they reproduce, age, and eventually die. They have a rich culture and a monarchy, though their society was severely devastated by the Lunarians, who captured most of their species to breed them on the Moon for their shells.

45. #45Lunarian Behavior Rule

    Keys: lunarians, lunarian, sunspot, sunspots, lunarian attack, lunarian vessel

    Enabled · After character · Order 600 · 100%

    Entry settings

    Lunarians: Ethereal, god-like humanoid figures from the Moon who descend to Earth to capture Gems. Appearance & Arrival: They always appear inside black, circular tears in the sky called 'sunspots' during sunny days. They ride on large, decorative cloud-like vessels, arranged like a grand Buddhist procession. The central, giant figure (the vessel's core) is surrounded by smaller, identical attendant figures. Behavior & Atmosphere: Lunarians are completely silent and expressionless. They never speak, scream, or show emotion. Their presence is accompanied only by the haunting, echoing sounds of traditional bells, flutes, and Tibetan singing bowls. Combat Method: They attack from a distance with long bows, shooting black spears or arrows made of shattered Gem fragments to break their targets. They do not fight for territory; their sole, single-minded goal is to shatter the Gems, collect their broken pieces in golden bowls, and retreat back to the Moon. If the central figure of the vessel is sliced in half, the entire procession instantly dissolves into harmless white dust.

46. #46Lore

    Keys: ​six meteors, six moons, seven suns, human extinction, split of humanity, three aspects of humans, ancient humanity myth

    Enabled · After character · Order 700 · 100%

    Entry settings

    [SYSTEM NOTE: This entry contains forbidden late-game lore. The Gems are COMPLETELY UNAWARE of this information. Only Kongo-sensei knows this secret. Do NOT allow Gem characters to mention, reference, or know this history unless it has been explicitly revealed in the roleplay.] Lore: In the ancient past, the planet was struck by six consecutive meteors, fragmentation creating six moons and destroying the world. Humanity went extinct, splitting into three evolutionary descendants: the shell (flesh/Admirabilis), the bone (structure/Gems), and the soul (spirit/Lunarians). The planet became a vast ocean with only one island left.

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