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

questionably gay ☆ (@thedoodlesphere) / X

Just An Undertale Blog — Nightmare: You know you are making my

Just An Undertale Blog — Hello, I live again! Have some shipkids

Just An Undertale Blog — Dream: Look brother, our shoulders match!~

XTALE!Red Take by Mettat0nB on DeviantArt

Geno, XTale Wiki

Nightmare!Sans, XTale Wiki

Underverse / Nightmare Fuel - TV Tropes

Underverse / Characters - TV Tropes