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Right now we have:
1-Madara vs Kages and how will they win that and who will die (if anybody dies…). Also what other rinnegan techs will he show and jutsus.
2-Tobi vs Naruto and co and finily getting to see who is under that mask (close to sure it will happen). Noticing what other moves Tobi has and on what level he can use the rinnegan and what else Naruto can do now with Kurama on his side.
3-Brother time and what Itachi likes to tell Sasuke before he goes away and what directions is Sasuke going to take.
Considering we have all the above “pending” so we get this stupid flashback its just murder for me.