It was later, in the process of providing financial assistance, that I quickly came up with the idea of encouraging the children to grow up more seriously, so that Konoha would have a reliable buffer in Ame's place, and then to reveal a bit more about the reasons for interfering in their fate.
Considering that potentially, Nagato has the potential to become the strongest shinobi in the world and better have that personality as an ally when or if Madara returns with his crazy plan.
Forewarned is forearmed. I don't know what that ancient Uchiha had planned - by the time I'd written down the plot of that stupid story, the small details had already faded from my memory - but it was clearly nothing good for me.
After digging into his official grave six months ago and stealing a very powerful gunbai, now hidden very safely under a pile of seals and unlikely to ever see the light of day, I was convinced that the real body had never been there. If I had any doubts before, they were completely gone after this.
By bringing Akatsuki's creators up to speed, I was not only pursuing the global goal of preventing the shinobi world from going into a big f***ing mess that would inevitably come when all nine tailed beasts were united into a jubi - and I doubted my ability to defeat the legendary monster that Rikudo himself had kicked to the curb, even if I'd given it several decades to prepare - but I was also pursuing a few side goals. I'm talking now about Yahiko's desire, besides defending his home country, to conquer the rest of the world with the help of the Rinnegan and end all wars.
The realization that his friend's legendary dojutsu doesn't belong to him at all, and the real master may come for him soon enough, should cool down the latter's youthful fantasies and maximalism, and Nagato won't get too much ego from the fact that he is supposedly the direct heir of the Sage of the Six Paths.
A man who doesn't consider himself a god on earth will be much easier to negotiate with if the need arises.
Not even for me personally, but for Konoha's representatives, who will inevitably have to try to get Ame on their side once the global war starts, or at least achieve armed neutrality when the rainmakers will beat up anyone who tries to bring troops into their territory. Sakumo is not Hiruzen, he will not go for it and will try to reach an amicable agreement first.
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