Webunable to perform breathing techniques, genya trained under the stone hashira gyomei himejima and learned a style called repetitive action that mimics the. Webtanjiro is genya’s first friend and one of the few people who doesn’t judge him for his inability to use breathing techniques. While genya initially wants nothing to do with him,. Webdespite being unable to use a breathing style, genya was trained under the gyomei, the stone hashira, to learn repetitive actions. By repeating a set of words. Webas demon slayer manga fans know, genya cannot use any breathing styles at all. Webwhile mitsuri and muichiro can use advanced breathing techniques, genya cannot use combat breathing, so he relies on buddhist chants to focus and gain. Webthe strongest hashira of the demon slayer corps, gyomei himejima, personally trains genya to help him compensate for his inability to use breathing. Webfor genya, he repeats a set of prayer of the amida sutra to help him focus and steel his mind, as seen where he used this technique to focus his mind after being fatally injured. Webas part of that technique, which is similar to total concentration breathing, gen’ya is able to give himself a significant power boost if he recites the amida sūtra and.