Murata volunteers to hold off the controlled slayers so Tanjiro and Inosuke can go after Mother. The two are intercepted by a female controlled slayer who begs them to summon more help, having been controlled to kill some of her comrades. Rui appears before Mother and tells her she better hurry before he tells Father and she, terrified, begs him not to tell Father. Mother starts manipulating the female slayer's body so violently the movements break her bones. Another with broken arms and legs begs them to kill him...