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Heh heh heh heh heh... all right. well, here's a better question. Do you wanna have a bad time? 'cause if you take another step forward... you are REALLY not going to like what happens next.
~ Sans warning Frisk on the Genocide Route


Sans is one of the guards of Snowdin Village. Lazy and frivolous with a knack for making puns and jokes, he has no interest in capturing humans, much to the chagrin of his brother, Papyrus. Despite his exceedingly laid-back attitude and status as "the easiest enemy", Sans has proven himself to be extremely observant and dangerous when pushed too far, becoming the final challenge Frisk faces on the Genocide Route and arguably the toughest opponent in the game.

Powers and Stats

Tier: 9-B physically. Unknown with hax

Name: Sans the Skeleton (never capitalized when spoken by himself.)

Origin: Undertale

Gender: Male

Age: Unknown, though WoG confirms he is likely older than his brother

Classification: Skeleton, Sentry, possibly a scientist (hinted at through workshop), Professional Prankster

Powers and Abilities: Superhuman Physical Characteristics, Reality Warping, Spatial Manipulation, Soul Manipulation, Karmic Retribution (essentially turns an opponent's sins against them), Bone Manipulation, Teleportation, Telekinesis, Gravity Manipulation, Alternate Timeline Awareness, Able to lock his opponent in place so neither of them will be able to do anything (Sans essentially, in gameplay terms, never takes his turn, forcing his opponent to be locked in an unwinnable combat situation. He was prepared to use this so both he and the player would be stuck in place forever, forcing them the reset and go on another route.), Can attack an enemy's SOUL therefore damaging them on all physical and spiritual levels, Danmaku

Attack Potency: Wall level physically (The weakest monster who can be faced in combat, even below Monster Kid in terms of raw strength. However, he is still rougly comparable to the lowest tier monsters). Unknown via hax (Repeatedly defeated a multiversal enemy while they were in physical form due to mostly ignoring durability on both a conventional level and the entire mechanic of post-hit invulnerability. However, Sans is incredibly lazy, and will not fight or use the full extent of his abilities unless absolutely necessary), Can ignore Durability to an extent via SOUL Magic

Speed: Unknown (Immensely faster than Chara/Frisk, who was able to dodge rays of sunlight and who was superior to Napstablook. Should be one of, if not the, fastest non-Immeasurable characters in the game.). Vastly improved attack speed via teleportation (Sans possesses teleportation which allows him to transport himself, his opponents, attacks, other objects, etc. and change their position while doing so)

Lifting Strength: Unknown

Striking Strength: Unknown

Durability: At least Wall level (Completely unaffected by the temperature in Hotland, which is hot enough to turn a styrofoam cup and the water inside of it into vapor, instantly. Sans supposedly only has one hp, which would make him extremely fragile, though it is unknown to what extent. Regardless, his dodging appears to make up for this, as he was able to repeatedly dodge attacks from Chara/Frisk, who almost immediately after destroyed the entire game. The kill counter does not raise when you kill him, but that could be simply a programming oversight. the truth is unclear.)

Stamina: Very high, as he was able to repeatedly dodge blows from Chara/Frisk, though after a while, he showed obvious signs of tiring, such as sweating, heavier breathing, and eventually beginning to fall asleep.

Range: Likely multiple meters via bone attacks, significantly higher via teleportation, though to what degree is unknown

IntelligenceImmensely high. While Sans is lazy, he's shown to be a genius, both in a tactical and scientific sense. If his workshop is any indication. He was also able to tell how many times he had killed Chara/Frisk simply by looking at their face.

Standard Equipment: Numerous bones and Gasterblasters (strange, skull-headed cannons that fire lasers, named after W.D. Gaster)

Weaknesses: Incredibly lazy, Won't fight unless absolutely necessary (only fought in the genocide route, where he believes you to be a threat to all other timelines)

Notable Attacks/Techniques:

  • Soul Manipulation: Blue Mode: Similar to his brother, Sans turns his opponent's soul blue, giving it "gravity" (It is unclear if this is gravity or simply a 'directional force') and allowing him to easier hit his foes. However, Sans appears to have a far greater mastery of this ability than Papyrus, allowing him to effortlessly fling his foe around by manipulating their soul, or effectively 'changing gravity' and forcing them to the walls, ceiling. He was capable of using this ability to bypass the resistance of a multiversial being (Frisk/Chara) and damage them by sheer force of throwing their soul against the walls, however this accelerated how quickly he tired out during the fight.
  • Bone Attacks: Sans will send a massive amount of bones at his opponent, forcing them to think on their feet in order to dodge all of them. He will mix up his style, forcing his foes to jump through small gaps between bones, over pits full of dozens of bones, or even to rush along platforms so that they don't fall into a deadly trap composed of dozens upon dozens of bones. Sans will often throw in blue bones, which while they cannot be dodged, will only hurt his opponent if they attempt to move. While his attacks only do a single point of damage, this allows Sans to bypass the player's invincibility frames, essentially meaning he can not only damage any opponent regardless of their defense, but he does a single point of damage per frame (equal to 40 damage per second). He is also able to use his bones to attack the metafighting of his enemies, placing them over the various 'battle commands' and even the aiming meter. It is unclear how this would translate in an actual fight. Furthermore, upon accepting Sans' offer to spare you, he offers a hug. If you accept this hug, he creates an inescapable bone prison around it that never ends until their soul is destroyed. This technique is a guaranteed kill, but can only be done if his opponent's guard is down, though it doesn't necessarily need to be for long.
  • Karmic Retribution: Karmic Retribution causes Sans' opponent to take increasing amounts of incremental damage depending on how many people they have hurt whenever the are struck by one of Sans' attacks. It essentially functions as poison damage for one's soul.
  • Gasterblasters: Strange devices in the shape of a skull which fire powerful lasers from their maws. Like Sans' bones, Gasterblasters will often be used in numbers and deal KR damage.
  • Teleportation: While Sans is unable to reset the universe in the manner of someone such as Frisk or Flowey, he has shown to have incredibly potent spatial manipulation, allowing him to teleport not only himself, but objects and other people, as well. During battle, Sans will often teleport his opponent, himself, and his attacks, not only moving himself out of harms way, but moving his foe straight into a new attack. He has also shown the ability to "reset" an individual to their previous position.


Undertale Genocide route boss - Sans (dialogue emphasized)18:16

Undertale Genocide route boss - Sans (dialogue emphasized)


Notable Victories: 

Vriska Serket (Homestuck) Vriska's Profile (Note: Vriska did not start in her Ancestral Awakening form)

Demigra (Dragon Ball Xenoverse) Demigra's Profile (Note: Two round fight, both rounds were with speeds being equalized)

Broly (Dragon Ball) Broly's Profile

Notable Losses:

Jotaro Kujo (JoJo's Bizarre Adventure) Jotaro Kujo's Profile

Dark Schneider (Bastard!!) Dark Schneider's Profile (Speed was Equalized)

Goku Black (Dragon Ball) Goku Black's Profile (Speed was Equalized and Black started in SSR)

The Terrarian (Terraria) The Terrarian's Profile

Ness (Earthbound) Ness' Profile

Inconclusive Matches:

Beerus (Dragon Ball Super) Beerus's Profile

SCP-682 (SCP Foundation) SCP-682's Profile

Ghost Rider (Marvel Comics) Ghost Rider's Profile

The Batter (OFF) The Batter's Profile

Shedinja (Pokémon) Shedinja's Profile (Speed was equalized)

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