Undertale】Killer sans fight!! by Aetflix_765 - Game Jolt

Sans, All Fiction Battles Wiki

Sans Battle Screen Shot Redraw/Recreation by metr0nix727 on DeviantArt

UnderTale Sans Fight👍🏻 1 Project by Subtle Glitch

Undertale - Sans Battle in Deltarune style by Bardock181 on DeviantArt

Sans Fight GIF - Sans Fight - Discover & Share GIFs

UNDERTALE: Sans Fight Project by Games of Meckland

Sans battle sprite, uh, thing. : r/Undertale

Grouptale - Sans Battle by Pardoxia on DeviantArt

Gotten to the halfway point in the Sans fight and somehow megalovania seem to start playing after I took the screen shot even when it's not at this point in the fight.

Undertale Frisk Sans Battle Handmade Diorama - Retro Gaming Cube