Heres some sprites for a sans fight you are allowed to use them
Por um escritor misterioso
Descrição
Collecting Resources and References for the Undertale Community! — Some Sans Battle Sprites!
ArtStation - Underfell sans sprite
(GIF)UnderFell AU - SANS Sprite(GIF) by Never0ff on DeviantArt
UNDERTALE Sans Fight Genocide (Colored Sprite Mod)
Collecting Resources and References for the Undertale Community! — Some Sans Battle Sprites!
Sprite of Sans from Undertale • Hama Beads • Pixel Art : Handmade Products
diddy on X: some of these have been slipped into other things in the past, older versions of this spritesheet were used in the RIBBIT mod and the shocked sprite was used
Returned to making sprites, what do you think about my Bad Time Trio? : r/Undertale
UnderTale] Sans Sprite Sheet (my take) by KillerPh4nt0m1 on DeviantArt
Undertale Genocide run explained: How to play the game in the most evil way possible
Collecting Resources and References for the Undertale Community! — Some Sans Battle Sprites!
Sans. (Unlikely Undertale Hero Concept) - Hero Concepts - Disney Heroes: Battle Mode
The fact that I actually tried putting effort in this sprite edit make me question my sanity.
Sans genocide boss fight dialogue, Wiki