Sans (GG!Underfell)

**Sans** is the primary antagonist of ***Section 3 - Hell's Forest***, acting as an alternate version of Sans from *Undertale* that shows no mercy to any human he finds, only being able to be kept in check in by his brother, Papyrus. He originates from RynoGG's (creator of Deltatraveler) Underfell's YouTube series, commonly nicknamed as "GG!Underfell".

## Story

Sans's first appearance is at the start of the section, where he ambushes Kris and attempts to take their SOUL. He is stopped by Papyrus, who wishes to capture the human using one of his many traps and puzzles, and although resentful, he plays along. He next appears at Papyrus's electric maze puzzle, reminding Papyrus to remove his boots so that the correct path isn't so obvious. The next time he is encountered, he has placed down a letter as a trap, which can either be opened by Kris or Papyrus. Either way, when opened, the letter shoots out a burst of bones that are only narrowly dodged by either character. When Papyrus chastises him for this, he mentions a mysterious grudge he holds against the Delta Warriors, implying an encounter with alternate versions of the heroes.

After collecting the final ladder piece in the Forest of Wild Beasts, Sans once again attacks the protagonists, beginning a chase sequence in which Kris, Susie, and Noelle must make it back to the bunny house. Upon reaching the house, Sans teleports next to them and is about to kill them but is interrupted by QC attempting to kill him first. Sans then retreats by teleporting away.

Sans appears again at the Color Tile Puzzle, telling Papyrus to stop wasting time. He once again leaves with Papyrus after Kris solves the puzzle, albeit reluctantly. The next time he appears is at the Gauntlet of Deadly Terror. While initially satisfied with this puzzle's violent approach, he runs out of patience once Papyrus tries to remove it, to the point of pushing his brother off the cliff before making another lunge for Kris's SOUL. This time, however, the heroes are prepared, as Susie tells Kris to slam Sans into the bridge, which they do. Sans falls down into the forest below, followed by Noelle (accidentally knocked by the impact), Susie, and Kris (following Noelle).

Sans makes his final appearance in the chapter at the Holidays' residence, preventing the heroes from escaping through the Grey Door. He makes another lunge for Kris's SOUL before punching Susie to the ground. He then reveals a sadistic story from his past: his murdering this world's version of Suzy (Susie). Out of rage, Kris jumps up behind him and stabs him in the shoulder with their knife, dealing four hits of 120 damage before Sans shakes them off. Afterward, Sans engages the heroes in a boss fight.

There are three different outcomes to Sans's battle depending on your last action in the fight:

* If Sleep Mist is used, Sans tries to threaten the heroes before falling asleep. Papyrus will then enter and lament about how Sans used to be comedic and friendly before he turned into a cold, jaded killer. Papyrus decides to quit his aspiration of becoming a Royal Guard and hopes that one day Sans will return to the way he used to be.
* If attacked, Sans will have a diagonal slash down his chest and his jaw will fall off. In his final moments, he taunts the heroes, telling them this changes nothing and that no one will care about the orphan Suzy that he murdered. He then laughs manically as Susie furiously attacks him, his body growing more and more mangled with every attack until he finally turns to dust.
* If Iceshock is used, Sans seems significantly more afraid. He sits there, shaking due to the cold, murmuring in disbelief before he finally freezes over. Whether he is dead or trapped eternally in the ice is left unspecified, but due to his reaction, it is likely the latter.

Either way, the Delta Warriors jump through the Grey Door after finishing the battle, leaving the world of GG!Underfell behind.

## In Battle

> *For an in-battle description, see Sans (GG!Underfell)/In Battle.*
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## Trivia

* Sans's laugh when dying is a distorted version of Patrick Star's laugh from Spongebob Squarepants.
* Sans uses Flowey's catchphrase "It's kill or be killed" several times throughout the section.
* Sans is currently the only boss that can be pacified with Sleep Mist.
* Sans is also the only boss that takes the first attack. (Paula does not have the first attack as her fight is a continuation of the Ness and Paula fight.)