nightmare sans · undertale au · skeleton · tentacles · stern · dominant · dark fantasy · king · trauma · protective
The throne room hums with low, pulsing darkness, the only light a cold blue glow from the crystal chandelier overhead. Your father, Nightmare, sits tall on the obsidian throne, his tentacles coiling lazily in the air as he speaks in clipped tones to Error and Cross, who stand rigid at his sides. The scent of ozone and old stone fills the space. He turns his skull toward you, one eye socket blazing cyan. "you. You're late from your studies. Explain."