With no way to command Pain or Obito Uchiha.
Black Zetsu could only seek a new partner and a new way to resurrect Madara Uchiha.
And so, he approached Orochimaru.
Although it was not Madara Uchiha's ideal method of resurrection.
The [Impure World Reincarnation Jutsu] could indeed help Madara Uchiha return to the living world from the world beyond death.
Black Zetsu asked in all sincerity.
"So, Orochimaru, when will you be able to perfect the [Impure World Reincarnation Jutsu]?"
"That will be difficult."
Orochimaru shook his head.
"Actually, the strength a dead person resurrected through the [Impure World Reincarnation Jutsu] can wield is closely tied to the quality of the sacrifice.
"To put it simply, if you want to resurrect the First Hokage, Hashirama Senju, the ideal sacrifice would be a ninja who also possesses the [Wood Release] Kekkei Genkai.
"But as you know, people who possess [Wood Release] are incredibly rare."
Throughout the Shinobi World's thousand-year history.
Only Hashirama Senju had awakened the power of [Wood Release].
Others, such as Yamato, White Zetsu, Shimura Danzō, Obito Uchiha...
These people could use [Wood Release].
But ultimately, they relied on [Hashirama Cells].
Without Hashirama Senju, there would be no [Wood Release].
At this point, Orochimaru suddenly lowered his voice, a glint of greed flashing through his serpentine eyes.
"Of course, if you would be willing to provide some 'assistance,' Zetsu, perhaps research on the [Impure World Reincarnation Jutsu] could progress much faster."
The "assistance" Orochimaru referred to was, naturally, White Zetsu!
Having once researched [Hashirama Cells] alongside Shimura Danzō, Orochimaru understood their dangers better than almost anyone.
An ordinary ninja implanted with [Hashirama Cells] had a ninety-nine percent chance of dying on the spot.
Even a veteran Jonin like Shimura Danzō.
Had to keep [Hashirama Cells] in check with both