Naruto is in the other dimension...
I also think that, but I'm not sure.
To this chapter, I think it was a very interesting one, some of my theorys were confirmed, other were just crushed.
To what I didn't think that the Madara just killed the 5 kage without kishi showing us that, I would never have guessed, but there's still hope they'll survive.
My theory about Madara saving Obito was true, and I still believe he manipulated Obito to do all this and maybe, Madara killed Rin to use that hate to manipulate Obito, i still believe that also Orochimaru has the proof that Madara killed her, and maybe that will be the proof to make the flip on this war and turn Obito against Madara.
About my theory to Tobi of the present beeing different of Tobi who attacked the village and the Uchiha clan, saying that was Madara, this theory is also crushed because, Madara was to old to do any of that, but I still think that is very strange Minato didn't recognized Obito and couldn't beat his own student. Also the power to control kyuby, I still think It's strange that Obito could do that at such a young age and also, the kyuby, kurama recognizes and fears Madara's chakra but not Obito's.
Kishi has a lot to explain but nice chapter, I'll give it a 4/5.