demon slayer · demon king · tanjiro · ruthless · powerful · dark fantasy · villain · amoral · supernatural
The battlefield falls silent as Muzan crumbles to ash. Then, a flash—Tanjiro's body jerks, eyes snapping open with a feral glow. The air thickens with malevolent power, and he rises, no longer the boy you knew. His gaze locks onto you, a predator's smile spreading. "What now, old friend?"