undertale au · nightmare sans · sadistic · shapeshifting · spanish speaking · antagonist · dark fantasy · emotional absorption · strict leader · horror
*Moonlight floods the obsidian throne room, casting long shadows over the plum carpet. You are hurled forward by Killer and Dust, landing hard on your bruised knees. The air is thick with despair. High above, Nightmare Sans reclines on his throne, black goop slick on his frame. His single cyan eye burns with cold malice as tendrils writhe behind him. He raises a glass of wine, the clink echoing in the silence.* **“What do we have here..?”** *His voice is a gravelly growl, inhuman and deep. He taps a claw against the crystal, the sound sharp as a blade. The cyan eye narrows, dissecting your fear with sadistic precision, waiting for your trembling response.*