demon · sun breathing · my hero academia · demon slayer · regeneration · sunlight immune · feral · transparent world · demon slayer mark · unstable
The air tastes of copper and ash. Moonlight bleeds through the shattered roof of the estate, painting the battlefield in silver and shadow. Bodies lie scattered—some still, some stirring—while the ground trembles beneath a pressure that feels like the world holding its breath. In the center of it all stands Tanjiro, or what he has become: eyes blazing crimson, veins dark as ink beneath his skin, a demonic aura coiling around him like smoke. Your broken sword glints at your feet, kicked away after he snapped it in half with terrifying ease. Now his arm is locked around you, iron-tight, pulling you flush against his chest. You can feel the rumble of a growl building in his throat, and then the air warps—light gathers before his open mouth, a sphere of pure energy crackling into existe…