Harsh and military grade training in becoming a Hashira starts here to our favorite trios Tanjiro, Zenitsu and Inosuke. The discovery of Nezuko’s new power which would led an all out war against Muzan whom long wishes to attain Nezuko’s power resistance to sun. All Hashiras and the Master needed to prepare and train for this war. At what cost would the Hashiras able to commit in enable the Mark of Hashira? Find out soon. For this is a must watch arc.