Ch. 221Sleep Eternally with the Gods
Haruto and the Demon Slayer Corps drove Muzan from the Infinity Castle as sunrise neared, but Muzan unleashed an explosion that wounded and scattered the swordsmen. Haruto then pinned Muzan to the ground, leaving the Demon Progenitor trapped as the fight continued.
- As the swordsmen overwhelmed Muzan, he fled the Infinity Castle, and Zenitsu pursued him with Thunder Breathing, Seventh Form: Fire Thunder God, cutting off his shoulder.
- Haruto revealed that Kagaya and Tamayo had chosen a desolate wilderness as the battlefield, while Tamayo's potion prevented Muzan from splitting apart to escape.
- Muzan exploded, badly injuring Haruto and the other swordsmen and leaving Zenitsu unconscious.
- Muzan transformed into a monstrous true form and attacked Haruto, but Gyomei Himejima struck him down with his spiked flail.
- Haruto rammed his blade through Muzan's chest and pinned him to the ground.