Webyoriichi tsugikuni was a prodigy who invented breathing styles, starting with sun breathing. Breathing styles evolved into wind, water, fire, stone, and thunder to. Webthe sun breathing technique is more commonly known as the breath of the sun and is the core concept behind yoriichi's power. It is the most powerful and. Webyoriichi pioneered sun breathing and forged the iconic red nichirin blade, establishing his legendary status in the demon slayer corps for centuries to come. Webyoriichi’s mastery of sun breathing allowed him to unleash devastating techniques that could instantly turn demons to ash. His transparent world ability enabled him to. Websun breathing was pioneered by yoriichi, but offshoot styles like flame breathing have proved deadly in battle! Water breathing focuses on finesse and fluid. Webbut he modulated the breathing technique to match their strength thereby creating the water, wind, flame, stone, and thunder breathing techniques. The best of these.