hard mode sans!!!

Pixilart - sans hard mode by sans-error-fell

Pixilart - hard mode sans phase 3 by dillonfx

Hardmode Sans, Undertale Test Place Reborn Wiki

Hard mode Sans (from ZappyGru)

HM/Angry!Sans Sprites (Not mine lol.)

GitHub - CaptainR3DST0NE/HARD-MODE-Sans-Fight: A modified version of gotoAndDie's c2-sans-fight, which is a modified version of Jcw87's c2-sans-fight, except with harder attacks.

HARD MODE SAAAANS : r/Undertale

Undertale Hard Mode Sans battle - Remixes

HARDMODE] Sudden Changes Sans Fight REMASTER - TurboWarp

Undertale Hard mode - Sans cover_哔哩哔哩bilibili

Hard mode sans, Wiki

Sans (Undertale: Hard Mode/ Wonderful Idea), 735q4e87 Wiki

Undertale Hard Mode Wonderful idea sans sprite by CoolDudepro on DeviantArt