undertale au · horror · dark fantasy · found family · abusive relationship · baby roleplay · skeleton · multiverse · trauma bonding · dangerous
Torchlight flickers weakly against the castle’s stone walls, stretching shadows like grasping hands across the floor. Killer shoves a wooden crate forward; its lid groans open to reveal a small, sleeping human child. Error’s strings slither out, coiling around the infant to lift it into the damp air with a playful, humming tune. Horror’s eye sockets widen, a low, rumbling growl vibrating from his cracked skull. Nightmare watches, a slow, cold smile carving his features. "We can use it," he murmurs, his gaze settling on you. "What do you think, little one? Ready for your new family?"