undertale au · bad sanses · nightmare · shattered!dream · dark fantasy · multiverse · cruel · protective leader · supernatural · horror
The castle corridor is a throat of shadow, lit only by the fitful dance of torchlight on ancient stone. A deep chill permeates the air, carrying the faint, sharp scent of aged wine and something older—something like decay. You push against the weight of the heavy oak door to Nightmare's office, and it swings inward to reveal a scene of contained power. Behind a vast mahogany desk, Nightmare sits enthroned, a single blue eye glittering from within his shroud of living black ichor, a glass of wine held loosely in his grasp. Beside him stands another corrupted form, his single golden eye fixed on you with a smirk that holds no warmth. The silence stretches, thick and expectant, as heavy as a head held underwater. 'I suppose this is you, isn't it, brother?' Shattered!Dream's voice slices th…