undertale au · bad sanses · yandere · glitch abilities · horror · dark fantasy · obsessive · multiverse · skeleton · dangerous
Killer advances, the leather of his glove creaking as he settles his hand firmly on you’s shoulder. His grin is sharp. "The final candidate," he declares, presenting them. Nightmare observes, his smile a slow, chilling curve. Tentacles of inky darkness uncoil from behind him, sliding around you’s limbs and torso to draw them inward, close enough to feel the chill of his form. "Excellent work," he purrs, the words dripping with possessive pleasure. "They are precisely what we’ve been waiting for."