Facing the Second Hokage Tobirama Senju's question, Naruto directly cast a genjutsu. He told everyone that the previous Hokage, along with Mikoto Uchiha and Fugaku Uchiha, had deliberately offered no resistance and were all pulled into the genjutsu.
Within the genjutsu, Naruto and Minato Namikaze explained the current situation, the Akatsuki, and why they had reincarnated them through Impure World Reincarnation.
Hiruzen Sarutobi said in sudden realization, "So that's how it is. Naruto, you were afraid that the Akatsuki would use the Impure World Reincarnation Jutsu on us, so you reincarnated us first to keep the enemy from using us. And you're right—Orochimaru might very well be able to undo the Dead Demon Consuming Seal, release us from the Death God's stomach, and then use us!"
Minato Namikaze had come up with that explanation. He said that after reincarnating the First, Second, and Third Hokage, there was no way they could ignore Konoha, much less allow themselves to be used by the enemy.
An Impure World Reincarnation body did not tire or grow sleepy, possessed endless chakra, and could slowly recover even after exhausting too much at once. It did not even need food. At the time, this had greatly shocked Naruto and the Nine-Tails. It was as though they had met the Fourth Hokage Minato Namikaze for the first time. Was this the kind of scheme only a Hokage could devise? Sure enough, anyone who could firmly hold the position of Hokage was far from simple.
Even Tsunade had turned the two elders, Utatane Koharu and Mitokado Homura, into figureheads and reorganized the Hokage's authority. Therefore, the motives of the First, Second, Third, Fourth, and Fifth Hokage could not simply be summarized as good or bad. This was political maneuvering. Every action a Hokage took was for the sake