Backup Plan: Training Yin-Yang Release

The forbidden techniques discovered in the Uzumaki Clan ruins were not actually as miraculous as Uchiha Ensei had imagined.

Their destructive power was not even comparable to the Reaper Death Seal.

That made sense. If the Uzumaki Clan had truly possessed forbidden techniques with overwhelming destructive power, they probably would not have been exterminated.

Unlike the Uchiha Clan in the original story, who had been ambushed by their own people, the Uzumaki Clan had fallen to foreign enemies. If they really had a method of sacrificing their own lives in exchange for immense power, how could the Uzumaki Clan's ninja have possibly refrained from using it?

Of course, that did not mean the Uzumaki Clan's forbidden techniques were useless. They simply were not as miraculous as Uchiha Ensei had expected.

After learning that those forbidden techniques were of little use to him, Uchiha Ensei chose another plan.

He would use Impure World Reincarnation to revive Mito Uzumaki!

As the first Nine-Tails Jinchuriki, Mito Uzumaki was very likely the first true Jinchuriki. She should have had some unique insights into the sealing methods used on Jinchuriki.

Of course, he could forget about unsealing it.

If that had been possible, Mito Uzumaki probably would not have died herself.

What Uchiha Ensei needed now was merely a direction.

After all, unless absolutely necessary, Uchiha Ensei did not want his original body to go through the process of death.

He dug up a grave, took out a small fragment of bone, selected a suitable clone body, and performed Impure World Reincarnation.

The entire process went smoothly. With Uchiha Ensei's current strength, if he wished to keep it hidden, no one would notice.

"Tobirama's forbidden technique..."

"It seems it truly is, just as Hashirama said, a very dangerous and troublesome forbidden technique."

Mito Uzumaki was