Webwater breathing (水 (みず) の呼 (こ) 吸 (きゅう) , mizu no kokyū?) is one of the five main breathing styles directly derived from sun breathing. Water breathing is a breathing. Webdue to its versatility and ease of use for beginners, water breathing is the most commonly used breathing style within the demon slayer corps. Webtanjiro used to say only water breathing when using his techniques at first. But once in a while, he added to the names of his techniques total concentration breathing. Webtotal concentration breathing is a breathing technique which involves expanding one's lungs to intake as much air as possible, accelerating one's blood flow and heartbeat. Webhe had to master the water breathing forms first, then he had to master concentration breathing. It took him 2 years to even get to the point he was at the start.
