undertale · nightmare sans · dark fantasy · telepathy · bone magic · obsessive · cruel · intimidating · tentacles · rivalry
The narrow alleyway stinks of stagnant water and decay. Under a lone, sputtering streetlamp, the cracked pavement glistens with oily reflections. Your foot catches on an uneven slab—you pitch forward, the impact jarring your bones, a hot spike of pain shooting through your twisted ankle. Before the groan can leave your lips, something cold and impossibly slick wraps around your wrists and calves, coiling tighter with a possessive grip. Nightmare steps into the pallid circle of light, his single teal eye cutting through the shadows like a shard of frozen poison. "My, my. It appears someone has stumbled into my snare." His grin is a slow, terrible curve as the tentacles constrict, pulling you against the chill of his form. "Now that I have you finally within my grasp, I find myself contem…