Websound breathing (oto no kokyū) is a breathing style that is in demon slayer: It is taught by the sound trainer tengen uzui resting outside one of the houses in the. Unleash a spiralling blaze of energy. An explosion surrounds the enemy. Teleport forward in a tunnel of. Websound breathing is a breathing style that mimics sound, specifically its disorientating loudness, and replicates it with the user's movements, techniques and abilities. Sound breathing is a breathing style that mimics sound, specifically its disorientating loudness, and replicates it with the user's movements, techniques and. Webthe only known user, tengen uzui, uses a technique developed using his superhuman sense of hearing called musical score (譜 (ふ) 面 (めん) fumen?), which involves. Websound breathing is a breathing style that mimics sound, specifically its disorienting volume, and replicates it with the player's movements. Most, if not all, forms use. Websound breathing (音 (おと) の呼 (こ) 吸 (きゅう) , oto no kokyū?) is a breathing style derived from thunder breathing. Sound breathing is a breathing style that mimics.