what makes Kokushibo so deadly ? #anime #animeedit #demonslayer

what makes Kokushibo so deadly ? #anime #animeedit #kokushibo #demonslayer #demonslayerseason3 #uppermoon #moonbreathing #blooddemonart #sword #tanjiro #nezuko #inosuke #zenitsu #tengenuzui #rengoku #tokito #moichiro #misthashira #breathingtechniques