Recaps

Uchiha Mu and Madara traveled through the Dragon Vein to a future world, gathered tailed-beast chakra, and returned after being stranded in time. As Mu’s nation prospered, he profited from the ensuing war and sheltered refugees, while the villages formed an uneasy alliance against him that stalled over its demands.

• Uchiha Mu and Madara traveled through the Dragon Vein to a future without the Hundred-Clan Shinobi Nation, collected chakra from the tailed beasts, and clashed with Konoha and Akatsuki before the Dragon Vein stranded them for two years.
• Uchiha Mu returned alone to the Hundred-Clan Shinobi Nation, reunited with Hyuga Lingnai, Keiko Uzumaki, and Uchiha Kyu, then resumed his work as the nation developed.
• After Hashirama Senju died, Uchiha Mu summoned him with Impure World Reincarnation and supplied goods to the villages at war, while Hashirama watched the conflict unfold.
• Uchiha Mu admitted to Hashirama that he profited from the war and sought to steer the villages toward his vision, as his nation welcomed refugees fleeing the fighting.
• Hiruzen Sarutobi persuaded Kumogakure and Kirigakure to withdraw from the war by offering to assume Kumogakure’s debt and giving Kirigakure Sealing Jutsu, while Konoha considered how to oppose Mu.
• Uchiha Mu reassured frightened refugees and helped Yiko and Xiaohui’s family begin a new life in the nation as the villages prepared an alliance against him.
• The four great villages convened a summit to plan attacks on Uchiha Mu, but their Kage disagreed over the fronts and made no agreement.