

So Obito can transfer any of his body parts that are in contact with the enemy
to the time-space of the Kamui and make it look like he cannot be touched.

But then in some of the fight scenes, for instance I remember when he was
fighting Guy and Naruto, he was about to touch Naruto but guy kicked him from
behind so he didn't solidify and let himself pass through Naruto and let Guy's
kick pass through him. Well at that time, why did he even need to transport
his hand too? Couldn't he just transport the part of his body that was about
to be kicked by Guy and then touch Naruto?

Why did he transport his fingers using the Kamui too? It was completely
unnecessary and he could have taken down Naruto if he didn't do that..


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naruto
Confused about Obito's ability


For Obito's ability

[wiki link](http://naruto.wikia.com/wiki/Obito_Uchiha)

Here is the complete description on tobi

Tobi had displayed the ability to open up his top half entirely and use
himself as a suit of sorts to encase someone in. Follow this link to get
details.. [wiki link](http://naruto.wikia.com/wiki/Tobi_\(Zetsu\))


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[Kamui](http://naruto.wikia.com/wiki/Kamui) is an all or nothing technique. So
while its reasonable to think that he could activate it for parts of his body
only, he cant actually do that.

> However, this eye can utilise a unique variation of teleportation akin to
> intangibility. When activated, any part of the user's body that overlaps
> with another object is seamlessly warped to Kamui's dimension, making it
> appear as though the user can phase through solid objects

When intangibility is active, he is completely intangible. His body is still
in the real dimension until it overlaps, but absolutely any overlap will send
the overlapped portion to the Kamui dimension. He can't attack or be attacked
at all, and can't deactivate it while overlapped with something (or he can and
it causes serious harm to him, we never see it happen). No known techniques
work around this. He has never been harmed by someone in the real dimension
while its active. its only weakness is that his overlapped real body sits in
the Kamui dimension, and is vulnerable as normal to any attacks from the Kamui
dimension, though if his head is also not there, he can't see it.


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Short answer: we don't know.

Long answer: unlike one of the other answers states, Obito does have the
ability to transport just a part of himself.

[![Kakashi punching Obito's
torso](https://i.stack.imgur.com/9NJFA.jpg)](https://i.stack.imgur.com/9NJFA.jpg)

As shown above, Obito was able to transport just a part of his torso to the
kamui dimension, where Kakashi was able to attack it and cause damage.

So if he was able to do this, why didn't he? As far as I can tell, we don't
have an explanation. Maybe he didn't have that fine of control over it before
this point. Maybe he just needed to do the transportation very quickly and he
didn't have time to just transport part of him. Maybe it's a plot hole.


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Obito/ Tobi's kamui is his mangekyo sharingan ability unlocked presumably when
he saw Rin die. It is a space-time ninjutsu that allows him to transfer
objects into his own pocket dimension, including parts of his own body. While
Obito is transfering anything between regular space-time and his own space-
time his object not being transfered is vunerable [![Minato's kunai passing
through
Obito](https://i.stack.imgur.com/5s0xg.png)](https://i.stack.imgur.com/5s0xg.png)
[![Minato transporting to his kunai to counter Obito's
kamui](https://i.stack.imgur.com/4ajYI.png)](https://i.stack.imgur.com/4ajYI.png)


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