Webthis post contains spoilers so read at your own risk. As we all know zenitsu is capable of only performing the first thunder breathing form, thunder clap and flash which he fully. Web6 zenitsu's thunder breathing only comes out when he's asleep. After zenitsu passes out due to his fear and anxiety, his true strength emerges. Webthunder breathing is one such technique that zenitsu has used to great effect in the series. Of course, zenitsu is only the master of the first form, but the other. Webin demon slayer, zenitsu creating a 7th form of thunder breathing during his fight with kaigaku. Here’s how it works. Webthunder breathing is a breathing style that mimics lightning, specifically swift strikes and movements akin to lightning ripping through the sky, and replicates it with the user's. Learns the thunder breathing technique from his teacher, jigoro kuwajima, focusing on its first form, thunderclap and flash. Webzenitsu can hold down inosuke hashibira with his bare hands and throw his entire body by grabbing to and swinging one of his legs. Most importantly, zenitsu has incredible leg. 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. Webthese two powerful demon slayers leaped back into action to help tanjiro in his final stand against gyutaro, showing off their tremendously powerful breathing styles.