Webyoriichi tsugikuni was a demon slayer who lived during the sengoku era, almost 500 years before the main events. Known as the most formidable demon slayer, he invented. Webin demon slayer, the creation of the 13th form of sun breathing by yoriichi tsugikuni is done to reveal his genius and strategic mind. Being a synthesis of all twelve previous techniques,. Webyoriichi tsugikunin, the strongest demon slayer that ever lived, is the creator and first user of sun breathing. Given the breathing style's effectiveness in. Webyoriichi encountered muzan and tamayo in a bamboo forest, where the two engaged in combat. With yoriichi's sun breathing technique, he beheaded muzan and. Webyoriichi is deeply pained by his inability to kill muzan and views himself as a failure for allowing the demon to continue hurting people. In the memories, tanjiro. Webcreated by demon slayer yoriichi tsugikuni long before the events of the demon slayer anime, the sun breathing style is the first, and most powerful, of the. Webthis breathing technique was first created hundreds of years ago by yoriichi tsugikuni, the man who occasionally features in tanjiro’s dreams and gives muzan —. Webyoriichi also taught him sun breathing, but due to his inability to inherit the technique, he resorted to using a branched alternate version called moon breathing.
