Webin demon slayer, zenitsu creating a 7th form of thunder breathing during his fight with kaigaku. Here’s how it works. Webthunder breathing (雷 (かみなり) の呼 (こ) 吸 (きゅう) , kaminari no kokyū?) is one of the five main breathing styles directly derived from sun breathing. Kirin aotora is the. Webthe thunder breathing (雷 かみなり の 呼 こ 吸 きゅう kaminari no kokyū?) is one of the five main breathing styles directly derived from the sun breathing. Webof all the breathing techniques in demon slayer, thunder breathing is one of the most powerful. Here's every type of attack within this technique. Webthunder breathing (雷 かみなり の 呼 こ 吸 きゅう kaminari no kokyū?) is a breathing technique you can obtain in demon fall. Zenitsu using thunder breathing.