Webflame breathing is a breathing style that mimics flames and replicates it with the user's movements, techniques and abilities. Most, if not all, known techniques and forms. Webflame breathing is another fundamental elemental style, notably practiced by the flame hashira, kyojuro rengoku. This technique involves emulating the flickering, burning. Webone such slayer is tanjiro kamado, who became a demon slayer to find the entity responsible for killing his family and turning his sister nezuko into a demon. Webcurrently, the demon slayers use fourteen breathing styles, and the best and most powerful one is the breath of the sun. These are derived from the breath of the. Each demon slayer is trained to utilize a breathing technique called total concentration breathing. Webthe flame breathing fighting style in demon slayer features some of the most gorgeous, powerful techniques in the show. Webin contrast, the demon slayers are entirely human but employ specialized elemental breathing techniques known as breathing styles. These techniques grant them.