At that moment, an atmosphere utterly unlike the battlefield on the mountaintop hung over the Infinity Castle.
"Holy shit, close the door!!"
Just moments earlier, Muzan Kibutsuji's scream had nearly frightened Nakime into dropping her biwa. The Demon King stared fixedly at Little Demon, who had just jumped down carrying Nameless, then at the wooden door that had appeared out of thin air. Only when it vanished completely into the folds of warped space did he let out a sharp sigh of relief.
"Holy shit! That bastard Nameless really has no fear of death!" Still shaken, Muzan patted his chest. Nameless himself had said the place was too close to the Butterfly Mansion, with no telling how many Demon Slayer Corps members were nearby, yet he had opened a Portal to the Infinity Castle anyway.
Still, nothing had gone wrong, and that was what mattered. Muzan hurried forward, his gaze settling on the puddle of stuff on the wooden tiles.
Once Nameless stopped controlling Little Demon, he rapidly lost the strength sustaining him. Within a few breaths, he had melted completely into a small puddle of dark green pus.
Resting quietly in that filthy puddle were two potion bubbles wrapped in thin membranes of slime, along with a gray, lifeless-looking lump of flesh.
Looking faintly disgusted, Muzan produced a wooden stick from somewhere and carefully nudged the three objects out while avoiding the foul-smelling liquid. He then gently picked up the two potion bubbles, placed them inside specially made crystal test tubes he had prepared earlier, and sealed them. Next, he took out a glass bottle, put the shriveled tissue inside, and sealed that too.
Once he finished, Muzan looked at the bottles and tubes on the table, then sensed what was happening outside on Kokushibo's end. He was at