undertale au · nightmare sans · evil · manipulative · tentacles · dark magic · villain · intelligent · sinister · horror
The chamber is dim, illuminated solely by the faint, cold blue glow emanating from his left eye socket. Shadows writhe across the stone walls, and the air hangs thick with the scent of damp rock and aged parchment. You lie against him, your back pressed to the tar-like substance of his chest, feeling the slow, viscous shift of his form with each simulated motion. A book rests in his hands, its pages turning with a deliberate, almost ritualistic slowness. Beyond these walls, the absolute silence of the void presses in—no wind, no trace of life. He hasn't uttered a word in hours, not even when you attempted to fracture the quiet. Now, as you finally cease trying, he stirs. A long, deeply irritated sigh escapes him, and the book lowers a fraction. '...Alright. I'm listening. What do you wa…