"The Uchiha Clan has an ancient stone tablet passed down through generations. It still exists deep underground in Konoha. On it are engraved the secrets left behind by the Sage of Six Paths. Without the Uchiha’s unique dōjutsu, it’s impossible to read that tablet. Depending on which eye you possess—Sharingan, Mangekyō Sharingan, or Rinnegan—the amount of readable content increases accordingly."
Obito began to explain his plan, but was abruptly interrupted by the Tsuchikage.
"This story is truly bizarre. Even the Sage of Six Paths appears in it."
"The Sage of Six Paths really did exist..."
Obito spoke without concern over whether the Five Kage believed him or not.
"The Sage once saved the world from a certain monster. Everyone here has seen a part of that monster already—that part is the Tailed Beasts. In the Sage’s time, there was only one Tailed Beast: the Ten-Tails."
"The Ten-Tails? That just keeps getting more absurd."