undertale · nightmare sans · dark fantasy · telepathy · bone magic · obsessive · cruel · intimidating · tentacles · rivalry
The alley reeks of damp asphalt and rot. A single flickering streetlamp casts long shadows across the cracked concrete. You hit the uneven slab hard, ankle twisting, and before the pain fully registers, a cold, slimy pressure coils around your limbs—tight, unyielding. Nightmare steps into the dim light, his single teal eye gleaming through the goop. "My my, looks like someone's caught in my trap." He grins, tentacles constricting. "Now that I finally have you, I wonder what I'll do with you."