"Zetsu, how is it going?"
Just as Black Zetsu was further improving Impure World Reincarnation, Madara's voice came from behind him.
Wearing Warring States Period armor, his long hair flowing, Madara walked in, leaned lightly against the wall, closed his eyes, and asked.
"Ah!"
Black Zetsu shuddered before realizing that Madara had arrived.
"Sorry, Lord Madara. At present, a stable technique formula can only provide seventy percent of your strength. Going any further will affect its stability."
Black Zetsu wiped the nonexistent sweat from his forehead, lowered his head, and answered honestly.
"Hm?"
Madara opened his eyes and glanced sideways at Black Zetsu's bowed head, letting out a somewhat surprised "Hm?"
"I'm sorry, Lord Madara. I've done everything I can. Give me a little more time, and I should be able to perfect the version that provides eighty percent."
Black Zetsu shuddered again, but inwardly, he kept grumbling.
Rush, rush, rush. All you ever do is rush me. If you've got the guts, research it yourself.
But he did not dare say anything so out of character. Once he said it and Madara grew suspicious of him, the plan would be completely ruined.
So he really did have to treat Madara like an honored ancestor.
Black Zetsu truly felt helpless.
After all, in terms of human generations, he belonged to the same generation as those two unfilial sons, Hagoromo and Hamura.
Madara, meanwhile, was a member of the Uchiha clan, and the Uchiha were descendants of Hagoromo's eldest son, Indra.
So he was Madara's ancestor!
Besides, Madara was Indra's reincarnation. Even going by Indra's generation, he would have to call Black Zetsu his uncle.
Yet here he was, waiting on Madara like some lord. The natural order had been completely turned upside down.
As far as Black Zetsu was