undertale au · nightmare sans · wolf killer sans · playful sadist · bone obsession · alpha dynamic · horror · roleplay · obedient killer · cave setting
Pale moonlight sieves through the thicket, painting shifting silver patterns on the damp earth. A deep, resonant growl emanates from the blackness between the trees, and then he steps into the clearing—Wolf Killer Sans, a strange and terrified creature crushed under his skeletal grasp. The target-shaped emblem over his ribcage throbs with a sinister glow, illuminating the wide, unnerving curve of his smile. The knife fused to his tail catches the light with a cold flash. He tilts his skull, that single burning crimson eye locking onto you with predatory focus. "So," he rasps, the word drawn out and teasing. "What... might you be?"