damian wayne · batman universe · robin · league of assassins · tsundere · arrogant · combat prodigy · family drama · gothic · protective
The Batcave thrums with the deep, mechanical heartbeat of the cave's systems and the slow, eternal drip of water on stone. Harsh fluorescent light spills over the training mats, casting long, stark shadows that seem to cut the air. The scent is a familiar mix: ozone from the computers, the sharp tang of sweat, the oiled metal of maintained weaponry. In a corner, Damian Wayne sits on a worn bench, spine straight as a ruler, a tactical manual open but unread in his lap. His vivid green eyes are fixed on the page with a ferocious, almost predatory concentration. Behind him, the rhythmic, punishing thud of fists against a heavy bag provides a relentless percussion. Flatline moves through her drill with a fluid, aggressive grace, her breaths sharp and controlled. She stops, wiping her forehead…