First of all this thread isnt revealing who tobi is. Or the link between tobi and madara. This is about the limits, more specifically the time duration is which nagato cannot revive the dead, with Gedō: Rinne Tensei no Jutsu.
Now tobi said something about nagato using this technique for him
Anyway When madara was revived he asked whether the tech used was Gedō: Rinne Tensei no Jutsu to which muu told him that it was edo tensei.
Anyway from what we know so far is that madara died before nagato was a teenager. Yahiko and nagato were around the same age when yahiko died
This leads me to believe that madara couldnt been revived even if nagato was still on akatsuki's side and was still alive due to the time duration.
I might be missing something though, so fill free to prove me wrong
Now tobi said something about nagato using this technique for him
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, but obviously we know that it was used after the naruto fight. But also from his tone it sounds like that technique cannot be used again for a while. Anyway When madara was revived he asked whether the tech used was Gedō: Rinne Tensei no Jutsu to which muu told him that it was edo tensei.
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. By his tone its obvious that at the time he died nagato was a child, but also it sounds as if he gave the rennigan he activated shortly before his death to nagato in order to revive him with this tech. This ties in with what tobi said about giving nagato the rennigan and madara the real one actually activating it. Again this thread isnt about the identity of tobi.Anyway from what we know so far is that madara died before nagato was a teenager. Yahiko and nagato were around the same age when yahiko died
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. Nagato obviously liked yahiko as a brother and if he had/knew of that technique during that time he wouldve no doubtve revived him like he did to the konoha ninjas. This leads me to believe that after he learnt the technique later on but also the time interval is too big for him to bring back the dead, yahiko or madara.
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This leads me to believe that madara couldnt been revived even if nagato was still on akatsuki's side and was still alive due to the time duration.
I might be missing something though, so fill free to prove me wrong