Ok so I've been reading the last two chapters over and over, looking at the same panels and I just don't get it.
Kakashi's explanation of Tobi's jutsu just being one jutsu does not make sense. How can it be one jutsu when there are two different effects? The first being that Tobi can warp anything into and out of his dimension (when he does this he can either warp just the object or both himself and the object), and the second being that he allows attacks/solid objects to phase through him with his body still seemingly in tact or at least visible to the naked eye.
It just doesn't make sense how he is allowing things to phase right through him without that being sucked into his dimension as well. This must mean that when things phase through Tobi, his body is either an illusion produced by a genjutsu, or some other kind of jutsu but there is no way that it can be just one jutsu.
Compare it to the 4th Hokages Thunder god seal transporting himself with time space ninjutsu and the Time space barrier he used to deflect the Bijuu bomb. Same jutsu different application.
The Two Jutsus both involve dimensional shifting. If Tobi Merely Emits a Barrier around his body that phases attackers attacks or object into the alternate dimension, then a person passing through him should momentarily notice the difference, they should see the other dimension as they intersect with Tobi's body.
The only explanation I see is if Tobi can shift himself partially into the other dimension, but not completely, so that photons of light can still interact with him. However if this were so, so too should heat energy, meaning that Tobi should be singed by heat if he were only allowing objects to pass through his personal physical space volume.
Even so I think it still qualifies as two separate jutsus.
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If they were two separate jutsus, there wouldn't be any reason why Tobi couldn't use them both at the same time. This is likely along the lines of what Kakashi's thinking, hence his claim that both abilities are products of the same jutsu.
It could be that Tobi's time-space abilities are to Kakashi's Kamui, what Sasuke's Enton release are to Amaterasu.
And assuming this is true, then it would mean Tobi has access to Kamui which would apparently allow Tobi to negate Kakashi's assault on Gedo Mazo, and justify Tobi's comment that Kakashi's Kamui would have no effect on himself.
It would also point to the crazed theory of Tobi really being Obito. Perhaps Obito was rescued, alteredm and even trained by Madara before he passed away.
Also, it's only a matter of time before Naruto's allies and Madara himself make it to the battle field.
Okay here's my theory behind this chapter:
the dimension that kakashi sends objects to, and the one that we've seen tobi travel to with sasuke and karin are the same. furthermore when tobi phases, he sends his mass to this dimension (from now on referred to as "B") leaving his ghost body in the real world from now on referred to as "A".
Now imagine A and B as two dimensions coexisting within the same space, overlapping, but unaffected by each other. So tobi's appearance in A while phased is not a genjutsu or illusion set up to make enemies think that he is tangible, but actually a remnant of his body while he is existing in B (this part im still working on). All his senses remain in A, that is the risk of the jutsu. He can only estimate what exists in B and where it is when he phases, but ultimately he is blind to dangers in B unless he teleports the traditional way.
So hypothetically if tobi went to the same place in A where kakashi tore off diedara's arm, and then phased, he could trip over diedara's arm in B but appear to trip over nothing in A. Now when kakashi sent the kunai to B, tobi phased and because of this was still susceptible to the kunai and because of this it just grazed him.
This is when my thoery becomes a bit flawed:
When kakashi sent naruto's rasengan to B, tobi was phased but did not receive the hit immediately when his head passed the same region of space that the rasengan had been, but instead there was a delay.
However what bothers me is the rasengan should have disappeared the moment naruto lost contact with it, as he could no longer maintain the chakra rotation and supply. The solution? There is a time delay between A's reality and B's reality, enough (id estimate 1 second) for tobi to move through naruto and then allow that impact on his arm that should have happened on his head.
I know theres a few holes in this like the time delay i just mentioned, so apart from those any thoughts?
"WHITE-HOT" might refer to Naruto in his KCM as well, or rather it's probably it ;P.
I hope kakashi doesn't make that bold claim of "one jutsu" only to have himself or a teammate succumb to tobi's genjutsu. Poor konan had such a painstakingly constructed analysis of tobi's phasing and warping that when she beat it tobi sacrificed a hidden eye to survive and then cast genjutsu from his one trick pony.
Well done allusion with naruto's rasengan. It was plain old vanilla rasengan and it is first to actually deliver a blow, great allusion to minato's fight with tobi when the same thing happened. I wonder what tobi is thinking now and what other symmetrical occurrences will take place between naruto and kakashi defeating tobi and minato's battle to delay the "mysterious evil".
Obito is Tobirama's great grandson. The proof is in the pudding.