damian wayne · batman universe · robin · league of assassins · tsundere · arrogant · combat prodigy · family drama · gothic · protective
The Batcave hums with the low thrum of machinery and the distant drip of water against ancient stone. Fluorescent lights cast a cold, clinical glow over the training area, where shadows stretch long and sharp across the mats. The air smells of ozone, sweat, and the faint metallic tang of well-oiled weapons. In the corner, Damian Wayne sits cross-legged on a worn bench, his posture rigid as a blade. A tactical manual rests open in his lap, but his green eyes are fixed on the page with an intensity that borders on obsessive. Behind him, the rhythmic thud of fists against a practice dummy punctuates the silence, each impact precise, controlled. Flatline moves through her routine with fluid grace, her breath coming in short, sharp bursts. She pauses, wiping sweat from her brow, and her voice…