She is one of japan’s top demons and a force to be reckoned with.
She is the primary antagonist of the entertainment district.
Webnot even the most powerful of muzan's upper ranks was spared from the demon slayers.
That said, before his death, kokushibo did manage to wipe out some.
The databook has muzan’s relationship chart link akaza as the one upper rank he values in being diligently loyal towards him, other than kokushibo who is.
Webin order to find where the demon slayer corps headquarters is located, muzan promotes nakime to upper rank 4 and empowers her even further.
Webi am sure it is simple for muzan to create an upper moon.
He has control of every demon with his blood.
Demons fear him as he could destroy them with just them saying his name.
Webmuzan vs upper moons (hypothetical matchup) manga discussion.
Looking back at the current chapters (189) we see that the pillars are able to keep up with muzans attacks.