In the deepest part of the Infinity Castle.
Boundless flesh and blood had turned this place into a crimson "ocean."
At the center of that "ocean," half of Muzan's body lay submerged.
Drawing on what it had accumulated over the past thousand years, it was doing everything it could to neutralize the drug in its body that reversed demonization.
Just as it was about to purge the drug completely, it suddenly sensed the deaths of Naraku and Kokushibo, one after the other.
With Enmu having died even earlier, the only Upper Rank left under Muzan was Nakime, who had no ability to fight head-on.
"Enmu is dead, Naraku is dead... Those two hastily promoted replacements really were useless, and now even Kokushibo... A bunch of worthless fools!"
The crimson "ocean" churned and writhed violently, revealing Muzan's fury.
But at the thought of the specific information about the Blue Spider Lily in Kanzaki Kumo's possession, its mood quickly improved again.
In its view, once it had successfully eliminated the drug's effects, it would be invincible.
It only needed to act personally, and it would surely be able to dispose of the Demon Slayer Corps with ease, capture Kanzaki Kumo alive, and assimilate him in an instant to extract the information it needed.
"Forget it. They were merely a bunch unworthy of sharing eternal life with me... Whether it's seizing the lead on the Blue Spider Lily or wiping out the Demon Slayer Corps, I'll have to do it myself in the end."
"Nakime, send me over."
Muzan issued the order directly to Nakime through their mental link.
Caw... Caw... Caw...
After an indescribable silence, a desolate breeze seemed to sweep through the deepest part of the Infinity Castle.
At that moment, Muzan seemed to have become an "empty-nest elder"-no, an "empty-nest