Demon Slayer: Kimetsu no Yaiba – To the Hashira Training S4 Just like Hashira training last season with 2 Hashira In order to make the group of Tanjiro more powerful, he summoned 2 high-level monsters All of the Hashira will train hard in their areas of expertise Hashira also appeared in Kenroji and Tokyo during the last battle It started to become a practice to make the mark emerge. How will Muzan use his people to bring out Nezuko who has been affected by the sun? How to strengthen anti-miscegenation forces We will have to see how the training will be done this season. Demon Slayer: Kimetsu no Yaiba – To the Hashira Training S4