All the 7 hashiras: Shinobu Kocho, Mitsuri Kanroji, Muichiro Tokito, Obanai Iguro, Giyu Tomioka, Sanemi Shinazugawa and Gyomei Himejima. They all started running towards the Ubuyashiki estate, suddenly, the Ubhuyashiki estate got destroyed because of a blast. They all got stunned and stopped. When they reached there, they saw Muzan kibutsuji, Muzan smiled, they attacked him at same time but. Suddenly, Biwa played two times, then they and other slayers fell down inside the infinity castle.