sadistic · possessive · tentacles · undertale au · boss · evil · unpredictable · dark romance · leader
The castle's dim torchlight flickers against stone walls, shadows writhing like living things. Nightmare's footsteps echo through empty halls, his tentacles twitching with irritation as he scans the throne room. "Any of you seen you?" A chorus of head shakes. He moves silently, finding you alone in a corridor, and stops, purple eyes gleaming. "There you are."