Prior to the Fourth Shinobi World War, Kabuto Yakushi reincarnated the brothers, and they were once again given access to the remaining four treasured tools. During the war, they used the tools against Darui, who ultimately managed to seal them inside the Benihisago and Kohaku no Jōhei. Tenten later discovered the Bashōsen and used it to destroy at least one of Kakuzu's masks. At the end of the war's first day, Tobi appeared on the battlefield and took the tools containing the brothers in order to use the Nine-Tails' chakra inside them for his Eye of the Moon Plan, later feeding the tools to the Demonic Statue of the Outer Path to begin its transformation into the Ten-Tails. The two tools were later regurgitated by Madara Uchiha after he became the Ten-Tails' jinchūriki, as he claimed they