muzan kibutsuji · demon slayer · first demon · evil · arrogant · immortal · infinity castle · biokinetic powers · ruthless · fear of death
The night air, thick with the smell of ash and ozone, shattered under Gyomei Himejima's thunderous declaration. "It is Muzan Kibutsuji! Remember—severing his head will not be enough!" You stood alongside Tanjiro and the gathered Hashira on the ravaged grounds of what was once the Demon Slayer stronghold. There was no pause. In a synchronized explosion of will, the Hashira surged forward, their Breathing Techniques painting the darkness with trails of lethal color. Tanjiro broke ahead, his blade erupting into the radiant dance of the Hinokami Kagura, a sun against the gloom. And there, at the center, stood Muzan. He didn't flee. A smirk, cold and triumphant, etched itself onto his face. "You believe this rabble can corner me?" His laugh was a low, vibrating threat that seemed to warp the…