In the blink of an eye, it was late at night.
The Ninja World.
An unknown underground space.
Uchiha Madara leaned against the husk of the Ten-Tails, which resembled a statue.
His hair was gray-white, his skin sagged, and his face was covered in wrinkles. His whole body was filled with the air of approaching death, giving the impression that he did not have long to live.
In truth, that was more or less the case.
At this point, his life had already reached its end. The only reason he was still alive was entirely because he was relying on the husk of the Ten-Tails behind him to sustain him.
One could see that between his back and the husk of the Ten-Tails, there were things connected like soft tubes.
It was these tubes that continuously poured the life force of the Ten-Tails' husk into Uchiha Madara's body, maintaining his vitality and prolonging his life.
The underground space was utterly silent. Aside from the occasional sound of Uchiha Madara's breathing, there was no other sound at all.
Time seemed to have stopped here, and the surroundings were frighteningly quiet!
At a certain moment, a black shadow barged in and came before Uchiha Madara.
This black shadow was none other than the greatest filial son in the Ninja World, the product of Ōtsutsuki Kaguya's will—Black Zetsu.
In order to use Uchiha Madara's hand to complete his plan to save his mother, Black Zetsu had used all kinds of methods long ago to gain Uchiha Madara's trust.
In the end, he successfully made Uchiha Madara believe that he was his creation, thereby infiltrating his side and becoming his assistant.
During the past period of time, he had been running around outside according to Uchiha Madara's instructions.
Sensing Black Zetsu's arrival, Uchiha Madara