Nightmare!Sans, XTale Wiki

quot;If you get hurt, you must hurt others as well. Calamity surpasses everything." — Nightmare!Sans threatening Cross and Dream!Sans Nightmare!Sans is the secondary antagonist of Underverse Season 1, and a master for Cross and X-Event!Chara. After Cross ends up having negative feelings, Nightmare enters his lonely universe, and they both create a deal that will allow them to extract parts of other worlds to his. He doesn't start causing problems until during Underverse 0.3, at which Nightmare start

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Outertale!Sans, XTale Wiki

Nightmare Sans, 6-tale Wiki

X 0.6 by AnnitArt on DeviantArt

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Nightmare!Sans, XTale Wiki

Nightmare!Sans, XTale Wiki

Character sheet (commission) by CosmaticMango on DeviantArt

cross sans/XTALE Sans edit(No Copyright)