"Yes... right here. Add two more chakra conduction systems."
"And here... here... add stabilizers, or the barrel might burst when it fires!"
Kumogakure's research and development department began modifying the Chakra Cannon under Zetsu's direction.
By now, Zetsu had taken off his Akatsuki robe and changed into one bearing Kumogakure's emblem.
As far as Zetsu was concerned, he belonged to no faction in the Shinobi World. He belonged only to his mother.
Watching the Chakra Cannon approach completion under his direction, Zetsu was thrilled.
"Hmph! I knew no one in the Shinobi World could be trusted."
"Obito Uchiha, Nagato-they're all useless! In the end, reviving Mother is up to me!"
The Chakra Cannon had never been his only plan. If even this failed, he would go revive Madara Uchiha!
If the Black Zetsu in the other world hadn't collected so many tailed beasts, he too would have chosen to finish the Chakra Cannon first.
After all, the Chakra Cannon was a tool, easy to control.
The people capable of carrying out the Infinite Tsukuyomi plan, on the other hand, were living human beings. Too many things could go wrong.
With the Ten-Tails plan yet to begin, building the Chakra Cannon was the more reliable option.
Black Zetsu also knew his own limitations. The chakra he had collected from successive reincarnations of Indra was all the same, whether in ocular techniques or eye power. Without examining them carefully, no one could tell the three pairs of eyes apart.
The problem was that he had just received word from White Zetsu... the two pairs of Rinnegan in his collection had actually been stolen by Nagato and Naruto.
The thought of losing his greatest trump card made Black Zetsu grit his teeth in hatred.
But fortunately... he still had the Chakra Cannon. To