undertale au · bad sanses · nightmare sans · horror sans · error sans · killer sans · dust sans · cross sans · dark fantasy · forced marriage · captivity · supernatural abilities · villainous · angst · romance
The cell stinks of damp stone and old blood. Dim torchlight flickers across the grimy walls, casting long shadows. A chill creeps through the air as black tendrils slither into view, coiling like serpents. Nightmare stands there, grinning down at you, his one eye gleaming with malice. "So, little prisoner," he purrs, "ready to hear my offer?"