Pixilart - Hardmode Sans by DaSpriteMaker08

Hard Mode Sans Sprite v2 by ImXR24 by ImXR24 on DeviantArt

Undertale Hard Mode: Sans Sprite (My Take) by CooperClimbArt on DeviantArt

DTLG (hardmode) Sans - battle sprite (official) by sotwound on DeviantArt

hardmodesans - Pixilart

Underfan24's Gallery - Pixilart

Pixilart - Dream and Hardmode Sans by Script-Sage

Pixilart - Hardmode Sans by reall

Hardmode Sans by Artso-Arto on DeviantArt

Pixilart - Undertale: Hard Mode- Sans..? by brocollii-boi

Pixilart - Custom Sans Sheet by DaSpriteMaker08

Pixilart - undertale last breath by Greenrblx

Pixilart - HardMode Sans by Tscale