Hey there! This is loganvcarins Underfell Sans fight! With just a pinch more difficulty... Remember, in Underfell, Sans is a pacifist boss, so killing is necessary for the wuss ending.
hOi! pLeS gO aND cHeK Owt Da oRR-iJ-Un-uL gEaM, YaYA!1!!1 Everything has been play tested, it is all possible to survive. (Mostly Hitless?) If you lag press space for a low detail mode.
