Round 1: Pain vs Sharingan Tobi
Round 2: Pain vs Rinnegan Obito
Round 3: Nagato vs Sharingan Tobi
Round 4: Nagato vs Rinnegan Obito
Nagato has decided that he does not want Obito to be the leader in the Shadows. He also rejects his "Eye of the Moon" plan. He will fight Obito over who powers the Gedo Mazo.
Ignore the fact that Obito got his Rinnegan from Nagato's corpse..
Full knowledge for both
Nagato prepares for a week for the act of betrayal
The fight begins in Amegakure
Nagato will sacrifice his town to go all-out if he needs to