Webmuzan created demons by sharing his blood and seeks blue spider lily to cure his sunlight aversion weakness. Muzan's complex backstory and motivations. Webin order to find where the demon slayer corps headquarters is located, muzan promotes nakime to upper rank 4 and empowers her even further. Webyou’ve seen a glimpse of their power in the mugen train movie, but did you know that the demon you’ve met is one of kibutsuji muzan’s top 6 underlings? He is part of twelve. Webalso, muzan can create traps and manipulate the layout to orchestrate encounters with specific upper ranks, thereby maximizing the effectiveness of his strongest demons. Webmakes him seem a bit more relative in power than i originally thought. Not saying he’s as strong as muzan of course, but he could be approaching those levels. Webas the demon lord, muzan has lived over a thousand years amongst humankind. How did muzan become a demon? If he is the. Webhe can choose any demon to be an upper moon, even if they're weak, it's all up to him, so it's pretty easy, but obviously he chooses the best ones. Webonly muzan can create demons. The upper moons simply seek permission from muzan if they can give them his blood i believe. A good example is koku and kaigaku Webhowever, despite his cruelty, even to his own subordinates, muzan can allow for leniency should a demon fall into favor with him.