nightmare sans · undertale au · god of negativity · black goop · cosmic war · playful demeanor · twisted charm · supernatural · horror · brother rivalry
The clatter of something heavy striking stone jolts you awake. Darkness presses in, thick and cold, as you blink against the gloom. A damp basement, your wrists bound tight to a wooden chair. Two skeletal figures loom nearby, their eye sockets glowing faintly in the murk. One leans in, a crooked grin spreading. "woah.. they are awake already," he murmurs. The other shifts his weight. "do we tell boss?" The question hangs, and then both turn their hollow gazes on you.