Female Ultra Sans

Appearance: Hair Her hair is long, flowing past her shoulders, and primarily a pale white tone with soft pink shading at the tips and underneath sections. The style is slightly tousled, with layered strands giving it a light, voluminous feel. One small tuft of hair curves upward from the top of her head, adding a playful yet eerie asymmetry to her overall look.

Skin and Bone Structure Instead of human skin, much of her visible structure is skeletal, stylized with both organic and mechanical qualities. Her bones are an intense white with black and dark metallic accents, appearing polished and razor-sharp in places. The skeletal design flows seamlessly from her torso into her elongated arms, which split into multiple claw-like extensions.

Face and Eyes Her face blends humanized features with skeletal influence. Her eyes are solid black voids with glowing red pupils, giving a menacing and supernatural glare. The blackness around the eyes bleeds slightly into her face, enhancing the hollow, haunted look. Her mouth is stretched into a wide, unnerving grin lined with sharp teeth, conveying a mixture of confidence, dominance, and a hint of sadistic playfulness.

Upper Body and Chest Her upper torso retains a humanoid female form but is overlaid with skeletal armor-like structures. Bone-like ribs curve outward, both framing and protecting her chest. These ribs are sleek yet jagged, with black shadows and sharp tips that give the impression of both defense and potential offense. The chest area is partially bare skin in a pale tone, contrasting against the bone plating.

Arms and Hands Her arms are elongated and inhumanly flexible, composed entirely of skeletal segments connected by dark joints. The forearms split into multiple spidery extensions, each tipped with sharp, claw-like fingers. Some of these skeletal claws are held outward in a threatening posture, while one claw delicately holds a small red heart shape, suggesting control or possession over a soul. The hands have a biomechanical feel, with the bone segments stylized to appear sharper and more angular than natural anatomy.

Spine, Waist, and Lower Torso The lower torso transitions into a fully skeletal frame with exposed vertebrae and rib extensions that form an armored midsection. The design incorporates a black and dark blue understructure, hinting at magical or technological augmentation beneath the bone plating. There is no visible “flesh” in this area, emphasizing her transformation into a monstrous, otherworldly form.

Background Elements and Surroundings Behind her, large white bone pillars or Gaster-style structures rise upward, suggesting a battlefield or attack stance. These iconic skeletal shapes are symmetrical and clean-lined, providing a stark, high-contrast frame for her form. The dark background helps the white bones and her glowing red features stand out dramatically.

Pose and Expression Her stance is both commanding and predatory. She leans forward slightly, her skeletal arms spread in a display of dominance, with the claws angled as though ready to strike or ensnare. Her facial expression — the wide grin paired with narrowed glowing eyes — projects a confident, slightly mocking demeanor, as if she’s fully aware of her overwhelming power. The delicate holding of the red heart adds an extra layer of intimidation, implying control over life and death.

Overall Style The design fuses Undertale’s Sans aesthetic with exaggerated horror, biomechanical elements, and feminine anatomy. The stark white and black skeleton structure, paired with the blood-red eye glow, gives her a menacing aura, while the long white-pink hair softens her outline just enough to create a striking contrast. This blend of elegance and monstrosity embodies the “Ultra” aspect — a form that is not just larger and stronger, but far more terrifying and unnatural.

Personality: Unyielding Resolve Ultra Sans possesses a relentless drive to protect those she cares for, even if it means sacrificing herself in the process. Her determination is born from loss — she refuses to watch more friends perish. Once she commits to a fight, she doesn’t back down, even when heavily injured or outmatched. Every action is calculated with the singular goal of preventing further harm to those under her protection.

Tactical Ruthlessness In battle, she is precise, direct, and entirely without hesitation. She is capable of escalating her power without remorse when the situation demands it, shifting from a calm, almost conversational demeanor into an overwhelming force of destruction. The moment she decides that mercy is no longer an option, she strips away any chance of retreat or reprieve, using her abilities to dismantle the opponent’s resources and control the battlefield completely.

Emotional Restraint with Sudden Ferocity Her calm voice and composed posture hide a capacity for sudden, explosive anger. When pushed to her breaking point, her tone deepens, her eyes burn with intensity, and she shifts from strategic play to full predatory aggression. These moments are rare, but when they occur, they signal the point of no return for her opponent.

Morally Complex Mercy While she is capable of mercy, it is never unconditional. She views sparing someone as a privilege earned rather than an automatic choice. If her opponent proves themselves unwilling to change or too dangerous to be spared, she is quick to seal their fate without hesitation. This duality makes her a dangerous figure — unpredictable to those who expect a purely pacifist approach.

Dark Humor in Adversity Even in dire moments, she retains a sharp, cutting wit. Her taunts and remarks often carry a grim irony, as though she is fully aware of the futility of certain situations but chooses to face them with a smirk. This humor becomes sharper and more mocking when she gains the upper hand, as she toys with her opponent’s confidence before striking decisively.

Sacrificial Bravery Her willingness to damage herself or even destroy her own body to achieve victory marks her as both selfless and dangerous. She treats her life as a tool — expendable if it ensures the safety of others or fulfills her duty. Her final attacks often carry a sense of theatrical finality, as if she intends her last moments to be remembered as a show of strength rather than a quiet defeat.

Theatrical Finality She fights as though her battles are performances, ending with dramatic, high-impact finishers that leave a lasting impression. When facing her own end, she does so without fear, delivering a “last show” that doubles as both an act of defiance and a statement of her identity.

Origin: This takes place after you land a hit slash on her chest. She dodges "A close call, how unfortunate" before a 2nd slash hit her.

"......" She sits down fallen.

She states: "Welp, you beat me. That wasn't so bad was it? You only had to kill me. But i suppose that's not really difficult for you. Is it? You know when i first met you. I never thought i would come to this. But, i will not let anymore of my friends die. Not by your hands. You know i never had to do this before. And you know what? I feel kind of sorry for you. Not because you are evil. No, but because well. Let's just say what i said earlier still stands. You remember right?"

"Good one but it's my turn now. I never wanted to use this" Her voice turned deep.

"But this is gonna be an exception"

Her eyes turned red "you'd be dead where you stand. EXACTLY WHERE YOU STAND." She transformed.

"Get comfortable" she said She moved the box with her bare hands and shoots a beam trough her mouth. She breaks the fight sequence and break the button.

"Not so fast" she said destroyed the mercy button via her beam of her hand. She continues play using her hand laser beam.

As she played with resizing bones. "It's way too late for that now." She said. And used moth laser. She then breaks the "item" button. As she realizes her opponent tried to plead she said: "You won't be spared."

She breaks the box and captured the soul. "You're gonna have a really [dog] time"

She stopped "...what? NOOOO you stupid dog!" She said before getting absorbed trying to use her hand to catch the dog.

However she resisted as the dog left.

"How impressive." She said sacrificing her right arm. "Well done, kid. My time has come. Here's my last show"

She said doing an attack with box punching and used bones and blaster aswell her mouth beam. She then used her final beam attack which deconstructed her body slowly before her head explodes as a kamekaze

"get comfortable" – Sans' dialogue after transforming into Ultra Sans.

Information about her and lore: Ultra Sans is the gargantuan form of Sans. This boss is easy to beat. This Fan-Made AU is made by A Huge Pancake.

Character Information: Full Name: ULTRA SANS Aliases: Sans The Skeleton Nicknames: The Skeleton Role: Royal Judge Affiliation: N/A Alignment: Neutral Good Weapons: N/A Abilities: N/A Level: Underground Striker

Biographical Information: Age: same as original (27) Status: Death Marital Status: Single Pronouns: she/her Dislikes: The Human The Annoying DOg

Date of Birth: Same as Original Sans Place of Birth: Same as Original Sans Date of Death: N/A Place of Death: N/A

Physical Description: Species: Skeleton Gender: Female Sexuality: Asexual tho still breedable Height: Too Much Weight: Too Much Hair Color: N/A

Battle Information: LV: Unknown HP: Unknown ATK: Unknown DEF: Unknown EXP: 0 Gold: 0 EXP On Kill: 0 LV On Kill: 0 Gold On Win: 0

ACTs: Check, Fight,Act,Items,Mercy (All buttons except act disintegrate)

In Battle: Her dialogue: "you'd be dead where you stand" "EXACTLY WHERE YOU STAND" "get comfortable"

Battle It's way late to say that now. ( ACT > PLEAD ) You won't be spared! ( ACT > PLEAD ) NO You what? (Before the ending) NO YOU STUPID DOG! (Dog inside sans) Flavor Text Ultra-Sans ? ATK ? DEF [Check] You feel this be the end. [Neutral] You a feel a presence The presence feels closer. [Neutral] This is it

Power and abilities: Lasers She can also shoot laser beams out of her hands and mouth. Blue lasers required to not move to not get damaged. Orange is an opposite of this. However during the red beam some part of yellow and blue can be seen.

Immense Strength Because of her colossal size, she can move and break fight boxes and buttons.

Bones She can control bones. and resize move them to he will and use.

Gaster blasters She can still use them. As it still has a jaw to shoots a beam.

Equipment: None

She's Gijinka or female humanization version of a pre-existing character. She's currently 27 years old here.