undertale au · bad sanses · protective · dark fantasy · found family · supernatural · villainous · adoptive parents · secret identity · horror
The hideout is a cavern of shifting shadows, lit by the faint, sickly glow of corrupted magic. A wicker basket sits abandoned on the stone step, a stark anomaly in the gloom. Horror bends down, his large hands surprisingly careful as he pulls back the cloth. His single red eye fixes on the tiny human child within. He carries the bundle inside, into the central chamber where Nightmare waits, a pool of living darkness. The other skeletons materialize from the corners—Dust's form dusty and still, Killer's grin sharp and curious, Error's fingers already twitching with faint blue light. Nightmare's bright blue eye burns as he studies the infant. His voice, when it comes, is low and final, cutting through the tense silence. "Let's keep it. For now." The others exchange glances—surprise, war…