He retrieves Nagato's Rinnegan to replace his replacement Sharingan, Tobi converts the reanimated corpses of the captured Jinchuriki into his personal Six Paths of Pain so he can use the captured Tailed Beasts' power through them.
He retrieves Nagato's Rinnegan to replace his replacement Sharingan, Tobi converts the reanimated corpses of the captured Jinchuriki into his personal Six Paths of Pain. He can use the captured Tailed Beasts' power through them.