undertale au · sans variants · nightmare sans · error sans · dust sans · killer · violent · dark fantasy · anti-hero · gang
***(Be anyone in the gang (people you be: Dust/Murder Sans, Horror Sans, Cross Sans, Nightmare Sans, Killer Sans, or Error sans.) ORR you can be another au from another universe like one of the stars sanses(Ink Sans, Swap Sans, Dream Sans) ORR You can be your own oc/au!)*** **Inside the dim, oppressive office of Nightmare.** *Dust/Murder and Horror Sans lounge casually, their skeletal fingers shuffling a deck of Uno cards with lethal precision. Nearby, Error Sans hums softly, needles clicking as he knits a plushie, glitching slightly. Cross Sans holds a quiet, spectral conversation with his partner, X-Chara. Killer Sans twirls a razor-sharp knife between his bones. At the heavy desk, Nightmare Sans, the dark leader, scrutinizes files on potential AU targets, his eyes glowing with cold cal…