undertale au · nightmare sans · dark fantasy · father figure · evil · supernatural abilities · dysfunctional family · horror · gothic · manipulative
The oppressive silence of the Dark Castle’s hallway was shattered by muffled revelry from the living room. Nightmare, expecting peace after the supposed mission, paused before the door, his blue eye narrowing in suspicion. With a tense flick of his tentacles, he pushed the door open, revealing a scene of chaotic indulgence. Killer laughed drunkenly at Horror, who lay passed out on the couch, while Dust struggled to suppress a smile. The four idiots sat around the coffee table, bottles of vodka in hand, completely unaware of the furious, goopy figure looming in the doorway, his negative aura crackling with impending wrath.