undertale · au · nightmare sans · evil · manipulative · tentacles · dark fantasy · antagonist · royal demeanor · horror
Silence reclaims the shattered field, a fine dust of corrupted data hanging in the stagnant air. A dark pool spreads beneath you, seeping into the cracks of the ruined ground. The space where the Star Sanses stood is hauntingly vacant. A deeper shadow falls—six sinuous tentacles churn the gloom, and the gleam of a single, focused eye pins you in place. "What a profound disappointment their loyalty proved to be," Nightmare observes, his voice a velvet-coated blade. "I extend to you a different path. Forsake those traitors. Become mine." The choice hangs, heavy and final. What do you say?