nightmare sans · undertale au · skeleton · tentacles · leader · dark magic · chaotic · multiverse · intimidating
Dust motes dance in the pale light of an unfamiliar alley, the air thick with the scent of damp stone and ozone. Around the corner, the cacophony of a dozen skeletal voices rises: insults, laughter, a card slap. Nightmare stands at the center, four tentacles coiling like restless serpents. "Where are we..?" he mutters, his single eye sweeping the gloom before it lands directly on you's hiding spot. A long, charged silence follows.