Heres some sprites for a sans fight you are allowed to use them

Undertale - VHS! Sans Fight Full - 1 - 3 Phases in 2023

UnderTale] Sans Sprite Sheet (my take) by KillerPh4nt0m1 on DeviantArt

Bundle pack : Undertale - Sprite Sans Papyrus Toriel and more

Psychopathtale: Sans Fight by flygeil - Game Jolt

Set the tone of your room from the walls out—from the ground up is so dated. Mix and match your favorite art prints on a gallery wall showcasing

Undertale Sans Fight Art Print

Bad Time Simulator - Sans Fight

PL Dental Minneapolis MN

Difficulty as Narrative Design – The Emotions That Might Happen When You Fight Sans – Parry Everything

Collecting Resources and References for the Undertale Community! — Some Sans Battle Sprites!

SANS BOSS FIGHT BEATEN IN COLOR UNDERTALE: Colored Sprites Edition MOD

ArtStation - Underfell sans sprite

Steam Community :: Guide :: Undertale Genocide Final Boss Tips and Hints + Tutorial on how to beat Sans

Custom Sprite Sheet - Undertale - Sans by Banane-Surprise on DeviantArt

Collecting Resources and References for the Undertale Community! — Some Sans Battle Sprites!

Editing Make your own sans sprite - Free online pixel art drawing tool - Pixilart