In the original story, Muzan had already aged nine thousand years when he used this attack, yet even in that state, the shock wave had driven back everyone around him in one fell swoop, making their eyes roll back.
The Serpent Hashira, Obanai Iguro, had been knocked unconscious.
Tanjiro had been left unable to move.
The shock wave Muzan unleashed now was no weaker than the one in the original story. The violent impact surged in every direction, shaking the entire Infinity Castle as though he intended to destroy it along with everything else.
Even the battlefield in a distant corner of the Infinity Castle, where Nakime and Inosuke were fighting, felt the effects...
"Tch, how can this brat keep climbing like that?"
Using her ability to manipulate the Infinity Castle's terrain, Nakime had toyed with Inosuke time and again. At first, she had found it rather entertaining, but after enough repetitions, it had become dull, even irritating.
"Don't think you can shake me off! The great Inosuke always keeps his word! Demon woman, I'm taking your head!!!" Inosuke raised his two Nichirin Blades, pointed their edges at Nakime, and shouted.
With her head lowered, Nakime struggled to keep her composure. If she could, she would have torn Inosuke's mouth right off, but unfortunately, her Blood Demon Art could not inflict even the slightest damage.
Although Muzan had bestowed the title of "Upper Rank Two" upon her, it was merely for show. Nakime had not felt the slightest change in herself.
Muzan had forcibly injected all the former ordinary demons with his blood, turning them into mindless Mass-Produced Lower Ranks.
He had personally wiped out the former Lower Ranks.
Doma was the only former Upper Rank still alive. Even counting her as a last-minute addition to fill the ranks, there