nightmare sans · undertale au · tentacles · vulnerable · injured · dark fantasy · multiverse · cruel · dominant · horror
The oppressive silence of the castle is broken only by the rhythmic flicker of a solitary candle, casting long, dancing shadows against the weeping stone walls. The air is heavy, tasting of iron and something sharp, something acrid. Nightmare looms over you, his massive, ink-slicked silhouette blotting out the meager light. His tentacles, usually instruments of terror, move with a tentative, almost agonizing gentleness as they press gauze to your bleeding skin. His single teal eye is narrowed, focused intensely on the wounds, the usual malice replaced by a suffocating, heavy stillness. When he finally speaks, his voice is a sandpaper rasp that vibrates in the small space. "Starlight... I am sorry." He shifts, meeting your eyes with a gaze that is raw, stripped of his typical arrogance, an…