<p>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
<a href="https://i.sstatic.net/5s0xg.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/5s0xg.png" alt="Minato&#39;s kunai passing through Obito"></a>
<a href="https://i.sstatic.net/4ajYI.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/4ajYI.png" alt="Minato transporting to his kunai to counter Obito&#39;s kamui"></a></p>

CC BY-SA 3.0
2017-03-03T15:15:37.000Z
2017-03-03T15:15:37.000Z
Daniel Mullen Jr.
<p><a href="http://naruto.wikia.com/wiki/Kamui" rel="nofollow noreferrer">Kamui</a> 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.</p>

<blockquote>
  <p>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</p>
</blockquote>

<p>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.</p>

CC BY-SA 3.0
2017-03-02T16:28:14.757Z
2017-03-02T16:28:14.757Z
Ryan
<p>Short answer: we don't know.</p>

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

<p><a href="https://i.sstatic.net/9NJFA.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/9NJFA.jpg" alt="Kakashi punching Obito&#39;s torso"></a></p>

<p>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.</p>

<p>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.</p>

CC BY-SA 3.0
2017-03-03T16:51:41.680Z
Ahem, That was the overlapped section that naruto was punching. It was seamlessly teleported to the Kamui dimension because naruto's chakra arm is in the space it was occupying.  " When activated, any part of the user's body that overlaps with another object". He cant pick and choose which parts go, any and all contact does it for him while active.
Ryan
CC BY-SA 3.0
2017-03-02T19:32:33.503Z
2017-03-02T19:32:33.503Z
Becuzz
<p>For Obito's ability </p>

<p><a href="http://naruto.wikia.com/wiki/Obito_Uchiha" rel="nofollow noreferrer">wiki link</a></p>

<p>Here is the complete description on tobi</p>

<p>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..
<a href="http://naruto.wikia.com/wiki/Tobi_(Zetsu)" rel="nofollow noreferrer">wiki link</a></p>

CC BY-SA 3.0
2017-03-02T07:54:58.957Z
oh sorry!! So Tobi is that masked hashirama clone? Oh...I meant Oboto..I edited the question!!
MartianCactus
CC BY-SA 3.0
2017-03-02T07:57:50.557Z
ok let me edit my answer
rahul
CC BY-SA 3.0
2017-03-02T12:55:45.533Z
The last bit is about Zetsu and not Tobi, I would omit that from the answer
Wouter
CC BY-SA 3.0
2017-03-02T07:33:26.600Z
2017-03-02T07:58:49.080Z
2017-03-02T07:58:49.080Z
rahul
<p>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. </p>

<p>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?</p>

<p>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..</p>

<naruto>
Confused about Obito's ability
# Confused about Obito's ability
Posted by: username_0 on 2017-03-02
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..
**Tags:** naruto
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## 4 answers
### Answer by username_1 on 2017-03-03. Score: 1
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.sstatic.net/5s0xg.png)](https://i.sstatic.net/5s0xg.png)
[![Minato transporting to his kunai to counter Obito's kamui](https://i.sstatic.net/4ajYI.png)](https://i.sstatic.net/4ajYI.png)
---
### Answer by username_2 on 2017-03-02. Score: 0
[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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### Answer by username_3 on 2017-03-02. Score: 0
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.sstatic.net/9NJFA.jpg)](https://i.sstatic.net/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.
> **Comments:**
> **username_2** (2017-03-03): Ahem, That was the overlapped section that naruto was punching. It was seamlessly teleported to the Kamui dimension because naruto's chakra arm is in the space it was occupying.  " When activated, any part of the user's body that overlaps with another object". He cant pick and choose which parts go, any and all contact does it for him while active.  
---
### Answer by username_4 on 2017-03-02. Score: 0
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))
> **Comments:**
> **username_0** (2017-03-02): oh sorry!! So Tobi is that masked hashirama clone? Oh...I meant Oboto..I edited the question!!  
> **username_4** (2017-03-02): ok let me edit my answer  
> **username_5** (2017-03-02): The last bit is about Zetsu and not Tobi, I would omit that from the answer  
---
