The world of demon slayer: Kimetsu no yaiba is filled with powerful warriors known as the hashira, the top nine members of the demon slayer corps. Webthere are six major story arcs in demon slayer and they are as follows: Webufotable, the legengary animation studio behind demon slayer: Kimetsu no yaiba has released some new art pieces that have taken the fan base by storm. To the hashira training's ending reveals grave threats the demon slayers will face in the new season, as well as a plan of attack. Webthe hashira and tsuguko. Within the corps, there is an elite group, known as the hashira. This group includes the nine strongest fighters in the organization. The nine hashira, according to their great strength, are the most senior members of the corps, second only to the head of the organization. Webbut despite their unmatched power and knowledge of demonkind, the hashira have never encountered muzan kibutsuji. This lack of knowledge about muzan left the. Webthe hashira play a crucial role in the demon slayer world, reaching the pinnacle of strength and skill within the corps. The hashira's sacrifices and teamwork.