After capturing that White Zetsu years ago, he had learned of Uchiha Madara's hidden underground base.
At this stage, the Demonic Statue of the Outer Path was located here. He had originally planned to wait until Nagato Uzumaki summoned it in the future before figuring out a way to cut off some parts, but Blade Release's fusion had now given him some ideas.
There were still several years before the Akatsuki suffered its disaster. Waiting was not an option.
He needed to further perfect the Divine Tree Martial Soul as soon as possible. Only then could he scheme for those two opportunities.
Using the Mayfly Technique to sneak into the underground base, Yang Hao observed from the shadows and saw the Demonic Statue of the Outer Path, as well as Uchiha Madara, who was hooked up to it through tubes.
Uchiha Madara was currently asleep, reducing his body's expenditure so he could live as long as possible—until a successor appeared.
"Should I pull his tubes out?"
Looking at the tubes connecting Uchiha Madara to the Demonic Statue of the Outer Path, Yang Hao felt an urge to yank them out.
Uchiha Madara was extremely weak right now and relied entirely on the Demonic Statue of the Outer Path to sustain him. Once the tubes were pulled, he would not live for long.
"Forget it. Uchiha Madara is only a minor boss. There are plenty of people hidden in the shadows."
After thinking it over, he ultimately suppressed that impulse.
Uchiha Madara appeared incredibly imposing in the world of Naruto, but he was actually just a chess piece. The ones playing behind the scenes included Black Zetsu, the Sage of Six Paths, Otsutsuki Hamura, and the ever-hidden Otsutsuki Isshiki.
Yang Hao was one hundred percent certain that the Sage of Six