The Sword of Totsuka DOES seal Souls.

[slashestranged]

Orochimaru should not have been able to come back. Souls do get trapped in the sword of totsuka.

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If the sword of totsuka did not seal souls, then Nagato would have just been Edo Tensei'd back again.

 

[Killer B]

Oro is Lord Voldemort

 

[Kettei]

I thought we knew this.

 

[AP2k]

Holy crap. Part of oros soul was in the curse mark. That is why he came back, how hard is that to understand?

 

[Yuka]

This is very true indeed

 

[rollin]

kabuto said that sasuke defeated one part of orochimaru

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[AngryRock]

Oro would not be here if his chakra was not present in the world.
Edit: Even then he could not escape by himself. Someone else needs to bring him back.

 

[Narutohokage7]

kabuto said that sasuke defeated one part of orochimaru

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This, the curse mark is his horcurxes.

 

[Edo Nagato]

Oro never got sealed, Remember he escaped but got burned by amaterasu.

 

[TheJenna]

this threads name made me think of this guy

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[Elementalist]

the curse mark is part of orochimaru. when added with some of his chakra out of kabutomaru (kabuto now) you get and fresh batch of oro. did you not see him come out of anko?

 

[ShishaMastah420]

This has already been discussed... Use the Search bar...

 

[Kazekage35]

Oro is Lord Voldemort

This exactly haha. One does not simply just kill oro just like you don't simply kill voldemort

 

[Sexy Steel]

Holy crap. Part of oros soul was in the curse mark. That is why he came back, how hard is that to understand?

This^ you cannot completely seal something that is not a whole

 

[Trinky]

I love this horcrux theory. Orochimaru is a sneaky beast ;D

 

[Edo Nagato]

Just look below guys, Orochimaru never got sealed.

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You see he escaped but later gut burned by amaterasu when he was trying to crawl away.

 

[Synister.]

What got sealed by itachi was Oro from Sasuke's curse mark and this new Oro is from Anko's curse mark. the real Oro was killed by Sasuke back in his hideout remember.

 

[endo]

HOLY CRAP! This is the first time I heard this! Wow I did not ever know this since I definitely don't read the manga. Think of Oro like lord voldamort. when he got sealed by Itachi only part of him was sealed. as long as there are other parts of his soul (i.e the curse marks) he will not die

 

[Chatte]

I was thinking, what if this is a sign to show us that other great chars. will get unsealed and we'll get to see them in the next chapters?