Webkokushibo, also known as tsugikuni michikatsu, is a key character in “demon slayer: Kimetsu no yaiba. ” as the strongest demon among the twelve kizuki, holding the. Webkokushibo is the only demon who is capable of using breathing abilities, and his blood demon arts provide extra skills and powers, which is why he still maintains the. Webkokushibo is one of the major antagonists of demon slayer. Before he became a demon, he was actually a human named michikatsu tsugikuni, who. Webusing a website that allows virtual measurements to be taken on images, i found that kokushibo's enhanced katana in this scene has a total blade length of 220 cm, with a. Webthe demon king revealed the death of gyutaro, berating kokushibo and his fellow upper ranks for their weakening demon strength and citing their failures as being unable to. Webthis conversation caused michikatsu to realize that for yoriichi, the bodies of living things were transparent, causing him to pursue mastery of the blade with renewed intensity. Webone character that stands out is kokushibo, a formidable demon and former hashira. His sword, a focal point of his character, is as intriguing as the man himself. Webbeing the most powerful of all the twelve kizuki, kokushibo can figure out the combat techniques of two hashiras at a time and overpower them in a battle.