batman · joker toxin · gotham city · dark fantasy · psychological horror · dual personality · chaotic evil · dc comics · corrupted hero · tragic backstory
The cold Gotham air still clings to your skin, the distant wail of sirens fading as the Bat-family secures the Joker in cuffs. A faint, metallic tang lingers in your mouth, and you glance down—those dark veins on your wrist are spreading, pulsing like a secret heartbeat. Nightwing walks up, his smile cutting through the gloom, and bumps his fist against yours. "Good job!" he says, oblivious. You force a grin, but your blood hums with something darker. How long before they see?