Well, in the last manga (460) we see sasuke with the black hand under him and he is given stronger chakra considered by karin to be stronger than the lv. 2 transformation of the curse seal.
I hae seen theories of this being kyubbi, his anger, or others, but those theories just don't make sense to me. looking closely at the picture, as shown here, I came up with a different Idea
I will get to what I think it is at the end of my post, but first I will explain where I am coming from with my theory.
We are referenced with sasuke having a new power here
the real question that arises from that is "What did sasuke figure out during that time that gave him a power strong enough to destroy konoha?"
Unfortionately, I couldn't find one, probally because he figured it out when the manga wasn't showing it or something. However, there is one thing that tobi said. he said that they would eventually sync sasuke with gedo mazo.
Can't finish my theory now cause I have to go but that is the main part of it. I will provide pics of how gedo mazo looks like the blac thing and how anger triggered nagato to saync with it and the such
till then though discuss what I have...
I hae seen theories of this being kyubbi, his anger, or others, but those theories just don't make sense to me. looking closely at the picture, as shown here, I came up with a different Idea
http://www.onemanga.com/Naruto/460/14/
We are referenced with sasuke having a new power here
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and here
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Unfortionately, I couldn't find one, probally because he figured it out when the manga wasn't showing it or something. However, there is one thing that tobi said. he said that they would eventually sync sasuke with gedo mazo.
Can't finish my theory now cause I have to go but that is the main part of it. I will provide pics of how gedo mazo looks like the blac thing and how anger triggered nagato to saync with it and the such
till then though discuss what I have...