Beneath the Mizukage's Office lay the new base established by Uchiha Shisui, Uchiha Madara, and the others.
After all, a secret base beneath the Mizukage's Office was obviously the Mizukage's handiwork. Naturally, no one would imagine that this was actually Uchiha Madara and the others' lair. It was a case of hiding in plain sight, of a magpie occupying a dove's nest. If anyone tracked them here, they would only assume it was Kirigakure's secret base and pin all the blame on the Mist Ninja.
Inside the base, Uchiha Madara already looked exceedingly aged. The previous battle had greatly damaged his vitality. Under normal circumstances, he would not even have lived to this age; he should have died of old age years ago.
It was Black Zetsu who had proposed the solution: have Yagura channel the Three-Tails' Chakra into the Demonic Statue of the Outer Path, then let the statue convert it into life force and transfer it to Uchiha Madara. Compared to the life force produced by the Demonic Statue of the Outer Path alone, the life force converted from Tailed Beast Chakra was far purer, forcibly extending Uchiha Madara's lifespan by several years.
But now, Uchiha Madara's life had truly reached its end. Thus, he was ready to carry out his final battle.
Over the past few years, Uchiha Shisui had earned most of Uchiha Madara's trust. At that moment, Uchiha Madara slowly took out two small vials of blood and handed one each to Black Zetsu and Uchiha Shisui.
"Once I go to Konoha, I likely won't be able to return. It's hard to say where Konoha will keep my corpse. I may even be left without a body in battle. So this time, I'm giving my blood to you. From now on, the task of Impure