Now that Kokushibo knew that he would never be able ... moon breathing technique that he developed almost sixteen different forms of this style. Even Muzan considers him to be a partner, rather ...

Kokushibo and Yoriichi share a deep connection through brotherhood and the development of breathing styles. Yoriichi trained demon slayers but failed, leading to the creation of the unique ...

Few characters like Gyomei Himejima, Kokushibo, and Tanjiro could possibly ... This means that Yoriichi's Sun Breathing influenced derivative forms of Breathing Styles such as Water, Flame,Thunder ...