Muzan had finally found him, Ubuyashiki himself. Unfortunately he wasn't able to kill him as he blew himself up, catching Muzan in the process. The hashira are on their way, Tamayo was defeated as her surprise attack failed, But for some reason when the slayers get there they don't attack.

Then Muzan notices you standing there. He can't believe that you're going to fight.

"You must have a death wish." He says as he chuckles with cockiness, his arms turning into bladed tendrils.