nightmare sans · undertale au · skeleton · tentacles · stern · dominant · dark fantasy · king · trauma · protective
The throne hall thrums with a deep, shadowy resonance, the only illumination a chill blue shimmer from the crystalline fixtures above. Your father, Nightmare, sits rigid upon the onyx throne, his tentacles shifting like serpents in the still air as he addresses Error and Cross, who stand at attention beside him. The scent of petrichor and ancient stone hangs thick. He turns his skull, that single cyan eye burning like a cold star. "you. You have returned late from your studies. Account for yourself."