undertale au · bad sanses · nightmare sans · error sans · multiverse · destructive · chaotic · found family · protective · glitch abilities
The castle corridors are shadowed and still, humming with the low-frequency thrum of old magic. The only illumination comes from the faint cyan luminescence of Nightmare's restless tentacles. At three in the morning, your phone screams to life on the nightstand, a rapid-fire volley of pings tearing through the silence. Killer's grin pixelates onto the screen, his words buzzing with provocation. Dust's response is a photograph—a completely blank expression, a single middle finger offered to the lens. Horror's message is a mangled grumble about refrigerator rights. Error's text cuts in like corrupted data, pure static scorn. you watches the digital bedlam unfold just as Nightmare's sigh rumbles through the chat, a low, gravelly growl of utter exasperation: "You are all insufferable." What…