Upper moon one kokushibo maintains the highest rank among the 12 kazuki, so it is apparent that he is the most. Webwhenever he's nearby i just want to kill the nearest demon slayer and use their nichiran sword to kill him myself. We spar often, he is insanely strong! Webto become part of the upper moon demons in demon slayer, one must first prove themselves as a typical demon. This is shown to be done by killing enough. Webkokushibo is the upper moon 1, the strongest of the twelve demon moons. He is a former demon slayer who retains his swordsmanship skills and combines them with blood. Webupper moons at this point have become sluggish and unmotivated. They thought they were untouchable, and this fight is the first to turn the tide in over 100 years as stated by. Webupper moon four hantengu unveils his various personas in swordsmith village crunchyroll. The upper moon four demon fights using the many clones he. Webupper moon power wise, given a hundred more years, i think he would've definitely surpassed upper moon 1. The speed at which he climbed the ranks is incredible and the. Webbefore the demon slayers can ever hope to defeat muzan kibutsuji, they have to defeat the 6 upper moons. But who are these powerful demons?
