White Zetsu chattered endlessly, and even Tobi occasionally chimed in, making this base, silent for far too long, unusually lively.
Black Zetsu listened quietly, observed, and thought. He had his own ideas. After waiting for over a thousand years, patience was what he lacked least.
"Very good. It seems everything is going smoothly. Whether Kaedeji trusts me or not, as long as he does not openly reject me, I will sooner or later uncover his secrets step by step and obtain all of his secret techniques."
Black Zetsu sensed the large amount of Zombie Virus within this half of White Zetsu's body, as well as that strand of Kaedeji's Chakra, but made no further move—he had many thoughts about the Corpse Release Secret Technique. This was a secret technique, not a Kekkei Genkai, which meant he could learn it too!
No matter how difficult it was to learn, with his long lifespan and Yin Release constitution, as long as it was not a purely Yang Release secret technique, he could always master it. As for the possibility that the Corpse Release Secret Technique was a pure Yang Release technique...
Black Zetsu glanced at Sandstorm Araki, who was sprawled over White Zetsu's corpse and gnawing away. He could barely believe it if this thing was mainly based on Yang Release, considering Kaedeji could extract life force from these ghastly things.
Life force primarily fell within the domain of Yang Release.
But if it was said to be a creation of pure Yang Release, without even the slightest trace of Yin Release properties, then the world was probably insane.
Something this sinister had to possess at least some Yin Release properties, no matter how one analyzed it—mental control alone fell within the scope of Yin Release.
As long as it was a