"Conduct experiments?" Orochimaru could not help growing eager. He hardly had any reason to refuse a chance to study the descendants of the Sage of Six Paths' Younger Brother.
If his research actually yielded results, his strength would improve as well. Orochimaru saw no need to turn the offer down.
"That isn't your only objective, is it?" Tobirama Senju looked at Uchiha Yi solemnly.
"Yes. Coming here also lets us learn about the Shinobi World's true enemies." Uchiha Yi took out a book as he spoke. "This contains records from a thousand years ago. The Sage of Six Paths and his younger brother sealed away their mother together. The moon is the vessel they used to seal her.
"Hamura Otsutsuki came to the moon to watch over their mother, while the Sage of Six Paths shared chakra with the world and founded Ninshu. He had two sons. His eldest, Indra, inherited his eyes, and his second son, Asura, inherited his body.
"Those two were the ancestors of the Uchiha and Senju Clans, respectively."
"What? How is that possible?" Tobirama Senju still could not accept this revelation. He hurriedly snatched the book and began reading it. Judging by the handwriting, these records were indeed countless years old.
Normally, an ancient book this old should have deteriorated, yet it had survived.
Tobirama Senju did not doubt its authenticity. A ninja needed keen powers of observation, and these records really had been passed down from a thousand years ago.
Before long, however, Tobirama Senju let out a cold snort. "Hmph. Indra must have resented Asura and caused all the turmoil..."
Even as he said that, Tobirama Senju felt a little guilty. No one understood the Uchiha better than he did. He practically understood them better than they understood themselves.
He could claim that