The Sengoku Era Hashira’s. The Golden Age Of Slayers. Yoriichi: created sun breathing, is Muzan’s biggest enemy, twin brother is Michikatsu Michikatsu: created moon breathing, this is before he became a upper moon and his twin is Yoriichi Shin Kaminari: uses thunder breathing Hayate Takeshi: uses wind breathing Yūsuke Mizuhara: uses water breathing Kazuyoshi Iwamoto: uses stone breathing Enjūro Rengoku: uses flame breathing