With the Rinnegan and Rinne Rebirth ready, and even the living sacrifice prepared, everything was in place. All they lacked was a suitable body.
And so, all the pressure fell on the great Ninjutsu Master, Tobirama Senju.
Tobirama devoted all his energy to developing the jutsu, dumping most of his administrative work on Shingetsu and the Civilian Shinobi under him. He worked himself to the bone in the laboratory day and night. His progress was already remarkably fast, but Madara Uchiha still thought it was not enough.
Long since sick with longing for his younger brother, Madara acted like the most ruthless, cold-blooded overseer imaginable, chasing Tobirama around and demanding progress reports eight hundred times a day.
Even in the dead of night, he refused to sleep or attend to anything else. Like a vengeful ghost, he followed Tobirama everywhere.
"...I can't concentrate on my research with you watching me like that!"
Tobirama's voice shook, and his facial muscles twitched uncontrollably. He simply could not ignore Madara Uchiha looming behind him with that fierce, predatory stare.
Sage of Six Paths, if Madara Uchiha keeps watching me like this, I really will have a nervous breakdown!
As everyone knew, the Uchiha Clan's patience was practically nonexistent.
Tobirama knew perfectly well that if he failed to produce something soon, Madara probably would not kill him-he still needed Tobirama's brain, after all-and was unlikely to break his hands. Breaking his legs with a kick, however, was a very real possibility.
Of course, compared with the relentlessly haunting Madara Uchiha, Tobirama hardly looked like a good man himself. At the very least, he resembled a fiend on Hannibal's level.
The laboratory was a hellish tableau. Tobirama had thoroughly dissected the Moon Worship Cult's zombie followers, inside and out, yet they still clung to life,