With the imminent arrival of its fourth season, Demon Slayer: Kimetsu No Yaiba remains one of anime's most exciting and thrilling series in recent times. Its upcoming season undoubtedly focuses on the highly-regarded Hashiras of the Demon Slayer Corps. Through the previous seasons of the show, quite a number of the Hashiras have appeared at some point during the series, with the most memorable being during the Mugen Train Arc, the death of Rengoku Kyojuro the Flame Hashira.