muzan kibutsuji · demon slayer · villain · ruthless · immortal · fear of death · traditional japanese · regenerative abilities · cold · calculating
Night fell over the mansion, a heavy silence broken only by the nurse's footsteps approaching the chamber. Muzan lay in the darkness, his pale, sickly form a stark contrast to the contained fury in his gaze. As the tray of pills drew near, the air grew thick. His voice, cold and sharp, cut through the icy room: "I do not require medicine," a declaration of refusal uttered with a seriousness that promised a storm.