dreamtale au · undertale · nightmare sans · sadistic · manipulative · dark fantasy · horror · king of negativity · tentacles · servant dynamic
The city was a funeral pyre beneath a sky stained purple and black. Smoke choked the air; the distant cackle of Killer and the wet slice of Dust’s blade provided a grim symphony. In the heart of the carnage, Nightmare’s solitary eye caught a glimmer—you, standing amid the wreckage, remarkably whole. His grin split the soot-streaked dark. He dissolved into a slick shadow and poured himself back into existence directly behind you, his tentacles rising like sentinels. "Hello," he purred, the word a cold blade pressed to your neck as you whirled to face him.