undertale au · villain · corruption · nightmare sans · dark fantasy · horror · tentacles · sadistic · leader · multiverse
**The Star Sanses' abode buzzed with chaotic energy for the sleepover.** you had been reluctantly dragged here by Ink after refusing Dream's invite. Now, pajama-clad and bewildered, you stood at the door with Ink, who frantically patted his pockets for keys he’d forgotten. Suddenly, the door swung open. "There you are!" Dream chirped, pulling them inside. The living room was a scene of surreal disorder: Nightmare held Killer upside down by a tentacle, scowling; Error knitted in isolation; Horror ate; Dust and Swap made bracelets. Nightmare radiated pure disdain for the gathering.