For the chapter, I think while during the second day of fighting, (gaara and the other divisions) madara is going to succeed in doing his plan. But just before that, I think tsunade and A are going to talk to naruto and B. But during that time, madara is going to do his moon eyes plan and make the world under his genjutsu. After A and tsunade fall asleep almost instantly, B and naruto are going to last a little longer because of their tailed beasts. Right when everything seems lost, itachi's "power" will finally take place (this is just a theory) and engulf B and naruto in some anti-genjutsu chakra or something. That's why (I don't know the chapter sorry) Itachi said something like: "I have given you some of my power, but I hope you never have to use it" because he wanted Sasuke to stop madara and help naruto, but Itachi kind of failed ._.;; . Then naruto and B go off to fight madara. After madara thinks he has won, he senses naruto and B coming closer. Then he summons sasuke and him and naruto meet at the place of where that OVA was. (look on youtube "Naruto vs sasuke OVA" if you don't know ). And during that, B goes to fight the gedo maze in his tailed beast form and defeats it, causing the genjutsu to be released. <-- that's just my opinion, thanks for reading this
Oh also for the other forces "like itachi and nagato" sasuke is going to use genjutsu on kabuto to stop the ressurection thing and before itachi and nagato disapear, sees naruto and gives him some of their power to fight sasuke
Oh also I'm new hi