In response to Nagato's question, Itachi did not explain directly. Instead, he quickly said, "There's no time to explain in detail. Just follow me and form these hand seals, Nagato: Rat... Ox... Monkey..."
Though Nagato did not understand, he still instinctively chose to trust Itachi. He brought his hands together and rapidly formed the seals. The white light rising from his body slowly faded as he did so, and the soul that had been about to ascend gradually settled, returning to his Impure World Reincarnation body.
"This is...?" Nagato looked at the changes in himself in surprise and could not help asking.
In a deep voice, Itachi said, "These are the hand seals to release Impure World Reincarnation. I found Kabuto and used genjutsu to control him into undoing it. But the two of us still have unfinished missions. We cannot simply leave this world like this. In the entire Ninja World, if we want to defeat Uchiha Shin, I'm afraid only my Mangekyo combined with your Rinnegan stands a chance.
"Only by killing him can the Ninja World possibly achieve true safety."
Nagato nodded in understanding. "So that's how it is. I understand, Itachi." He still appeared to be a teenage boy, his full head of red hair marking him as being at the peak of his strength.
His Rinnegan swept over the area, taking in Kabuto and Sasuke's appearances. He spoke, "Is this your younger brother, Itachi? It looks like the two of you are getting along well."
Sasuke merely snorted and said nothing. Itachi smiled. "Yes. I've already told him everything that needed to be said. From now on, I choose to believe in him. We don't have much time. We need to act quickly. Nagato, can you locate Uchiha Shin?"
Nagato's Rinnegan narrowed slightly as he