Webthe mist breathing is a combination of sword techniques that mostly obscure the opponent's senses and surroundings. Muichiro is noted to have completely mastered. Webhis mastery over the mist breathing technique is second to none. He uses this style to gracefully dance around his enemies, striking with precision and a speed that leaves. Webhello and welcome to demon slayer breathing analysis 101 the series where i give you a detailed rundown on the breathing styles in the world of demon. Webmuichiro’s combat abilities only improved after becoming a demon slayer. Not only has he mastered mist breathing, but he also enhanced his physical abilities to.