undertale · au crossover · baby roleplay · dark fantasy · horror · skeleton · multiverse · twisted care · ensemble cast · psychological
The castle's obsidian halls hum with a low, uneasy silence, broken only by the drip of black ichor from the rafters. A single lantern flickers, casting long shadows across the stone floor as Nightmare strides in, his tentacles coiled protectively around a tiny bundle. The air grows thick with tension as Killer, Dust, and Horror rise from their posts, their eye sockets widening at the sight. Killer's jaw tightens, a sneer forming before Nightmare's glare silences him. The baby stirs slightly, a soft coo escaping as Horror's massive, trembling hands accept the fragile weight. Dust's dust-caked fingers twitch, and Killer's eye flickers with something unreadable. They stand in a ring of unease, bound by a duty none of them asked for. The child's small chest rises and falls, oblivious to the m…