[Theory] The True Origin of the Rinnegan : Sobojo

[Z3R01]

can you give me the short squeezed down version

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[Angelic.]

madaras eyes are hagos. indra+ ashura= hago.

the rest is a just a fun prediction. i like the ideas of sobojo and jashin.

 

[ROHAN]

Yeah I do enjoy Rabbit Teeth's theories he's very good ! But from what I have read I am more inclined to believe that Sobojo is Jashin himself. Why?

Well based on the Way of Jashin and it's teaching which is to kill and cause chaos as you can see in this excerpt of the Naruto official character data book.

Spoiler

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We can interconnect the way of Jashin with the Tengu which Sōjōbō is King. In Buddhism Tengu are believed to be disruptive demons and harbingers of war. These Tengu are also related with Shugendō a syncretic Buddhist religion which the followers are called Yamabushi. So in here we can see that the Way of Jashin and Shugendō are similar.

So based on the similarities of the way of Jashin with Shugendō I determine that Jashin is Sōjōbō.
That's it, hope you found my findings interesting !

Well, Jashin actually does fit perfectly with Sobojo and he has Final Villain qualities, so it could be possible.

madaras eyes are hagos. indra+ ashura= hago.

the rest is a just a fun prediction. i like the ideas of sobojo and jashin.

Madara says that Uchiha DNA + Senju DNA = Rinnegan.

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And Hagoromo perhaps says Indra Chakra + Ashura Chakra = Rinnegan.

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But, Black Zetsu does many experiments and is able to fuse Senju DNA and Uchiha DNA as well as Indra Chakra and Ashura Chakra.

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Yet, these people never awakened Rinnegan. Only Madara and Hashirama were special According to Black Zetsu). A possible explanation is that Madara had Sobojo's Rinnegan and Hashirama had Wood Release.

Coming back to this Scan, Hagoromo says Indra + Ashura = Hagoromo's power.

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The big question is does Hagoromo's power even include the Rinnegan ? Rikudou doesn't even include the Rinnegan here. A Viz scan would clear this up though.

The Sage of the Six Paths Power seems to be related to the Juubi's power.

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Madara states he has gotten Sage of the Six Paths Power after becoming Juubi's Jinchuriki.

Interesting... But how do you explain Sasuke's rinnegan? We can clearly see that both madara and sasuke had their rinnegans at the same time.

At the most I would say either it's a remanent of Sobojo's power given to Sauske by Hagoromo or it's a special type of Rinnegan. Once, again there is confusion here. Madara calls it a Rinnegan, but Hagoromo calls it a Sharingan.

 

[NewMaster7]

Edo Madara lost his eyes because it was not his body and his real eyes were else where. How did EM get rinn? Easy, Madara's soul or "chakra" consist of all his abilities (Thats how edos are able to use blood limits). Just as Obito's MS is now in kakashi it is because of his chakra occupying it. Once that body is manifested into the real thing, the natural laws apply to it.....thus fake rinnegan crumbles.

 

[ROHAN]

Edo Madara lost his eyes because it was not his body and his real eyes were else where. How did EM get rinn? Easy, Madara's soul or "chakra" consist of all his abilities (Thats how edos are able to use blood limits). Just as Obito's MS is now in kakashi it is because of his chakra occupying it. Once that body is manifested into the real thing, the natural laws apply to it.....thus fake rinnegan crumbles.

The whole Edo Body was fake. At that time, Madara's corpse was hidden elsewhere (Where Kabuto took Madara DNA From). Yet, Madara is reincarnated in his Edo Body instead of his corpse. I would have expected the whole body would crumble (along with the Sacrifice's body) and then reconstitute into Madara, but this did not happen.

Amazingly, there are two Madaras running around : One is EdoRinne Madara and the other is Madara's corpse.

 

[Angelic.]

dont know if hago was born with it or not. i think bz said he awoke it. but technicly his moms the juubi lol.
no offense but this is all just weird fanfic and confusing

 

[ROHAN]

Now, before we go further, this is just a plotline which has an enormous amounts of potential. But, does this mean that Kishi will go in this direction ? Well, the answer is 50-50. Kishi as well may not even bother going in the Sobojo story side and wrap up the story with Kaguya and Sauske. On, the other hand Kishi may take this direction and open up a massive amount of potential.

Even if Kishi does not go in this direction; the plotholes that appear can be easily solved :-

A) Gedo Mazou Inconsistency : Ether Kishi doesn't bother explaining it or he simply says that Madara had Hagoromo's Rinnegan transplanted within him to summon the Gedo Mazou.

B) The Rinnegan Requirement : Neither Uchiha + Senju and Ashura + Indra is the answer to Rinnegan. But, then again; Kishi could say Uchiha DNA + Wood Release is the real answer to Rinnegan or stick to the Indra and Ashura part.

C) The Edo Tensei Plothole : When Madara Edo Body was revived; his Rinnegan shattered, but not his body. Manga says his Rinnegan was already existing and was thus not re-created. But at the same time, his Body was also existing as his Corpse (Where from Kabuto got Madara's DNA.). As, such even his body should also have shattered. But, this didn't happen. This Plothole cannot be explained.

 

[NewMaster7]

The whole Edo Body was fake. At that time, Madara's corpse was hidden elsewhere (Where Kabuto took Madara DNA From). Yet, Madara is reincarnated in his Edo Body instead of his corpse. I would have expected the whole body would crumble (along with the Sacrifice's body) and then reconstitute into Madara, but this did not happen.

Amazingly, there are two Madaras running around : One is EdoRinne Madara and the other is Madara's corpse.

Sounds like Tobidara talk to me lol but you are wrong:

His old body is dead, even if you can revive him you cannot replicate a soul and you would need someone who can do rinne. Kabuto took Hashi DNA there is a difference. Plus he never had his eyes in his corpse and the body's condition is too poor to fix (as seeing that he is a old man lol...forgot that huh.)

 

[NewMaster7]

Now, before we go further, this is just a plotline which has an enormous amounts of potential. But, does this mean that Kishi will go in this direction ? Well, the answer is 50-50. Kishi as well may not even bother going in the Sobojo story side and wrap up the story with Kaguya and Sauske. On, the other hand Kishi may take this direction and open up a massive amount of potential.

Even if Kishi does not go in this direction; the plotholes that appear can be easily solved :-

A) Gedo Mazou Inconsistency : Ether Kishi doesn't bother explaining it or he simply says that Madara had Hagoromo's Rinnegan transplanted within him to summon the Gedo Mazou.

B) The Rinnegan Requirement : Neither Uchiha + Senju and Ashura + Indra is the answer to Rinnegan. But, then again; Kishi could say Uchiha DNA + Wood Release is the real answer to Rinnegan or stick to the Indra and Ashura part.

C) The Edo Tensei Plothole : When Madara Edo Body was revived; his Rinnegan shattered, but not his body. Manga says his Rinnegan was already existing and was thus not re-created. But at the same time, his Body was also existing as his Corpse (Where from Kabuto got Madara's DNA.). As, such even his body should also have shattered. But, this didn't happen. This Plothole cannot be explained.

Madara AWAKEN the rinnegan.....plot fail.
Indra and Asura CHAKRA is needed to make the rinnegan not Uchiha and Senju...

 

[NaruSasuRival]

I don't think you understood his theory. He meant that the edo tensei replicates a "fake" rinnegan. And the reason it can't summon the gedo mazo is because it's fake, this is why madara loses his eyes once he is revived. Because you can't have more than one pair of real rinnegan, and not because he didn't have any eyes when he died. (if that was the case he should have been revived as an old man anyway)

I don't know what you mean by Edo tensei replicates a fake Rinnegan, bro. No matter how you try hard, the concept of every single jutsus used in the manga is explained to some extent. In the case of Edo tensei, it summoned a souled into a vessel made of dead body. Once the soul is summoned, the Shinobi whose soul is summoned can use all his power, and all the laws of physics that could applied to him when he was alive can apply to him as far as Jutsus are concerned. So:

When Madara was alive: (1) He was Uchiha Madara with EMS power, and (2) With the proper science, he could awaken Rinnegan by using Hashirama's body.

Therefore, when Madara was summon as Edo Tensei: (1) he was uchiha Madara with EMS power, and (2) By doing the proper biology with Hashirama's cell, He awaken Rinnegan.

This prove that when Madara was alive, he awaken Rinnegan just as he did when he was summoned as Edo Tensei. Izuna did not have Rinnegan, and Madara's Rinnegan is not from Sobojo or Hagoromo. The manga has explained many times how he awakened it by Madara himself, Hagoromo, and BZ.

Now, you claim that Madara's edo Rinnegan was fake! Really? The Rinnegan was a tangible Edo Rinnegan with all its power including Summoning meteorites, performing chakra absorption, etc. Its disappearance after Madara's revival does not make it fake at all. The lesson that you should draw from Edo Tensei is that an Edo Tensei can only do what he could do when he was alive. Madara edo Tensei awakened Rinnegan because he could awaken Rinnegan when he was alive. Going against this plain fact is pure denial and delusion because there are many dialogue between Madara and Kabuto to prove this.

 

[CookieMan9000]

I don't know what you mean by Edo tensei replicates a fake Rinnegan, bro. No matter how you try hard, the concept of every single jutsus used in the manga is explained to some extent. In the case of Edo tensei, it summoned a souled into a vessel made of dead body. Once the soul is summoned, the Shinobi whose soul is summoned can use all his power, and all the laws of physics that could applied to him when he was alive can apply to him as far as Jutsus are concerned. So:

When Madara was alive: (1) He was Uchiha Madara with EMS power, and (2) With the proper science, he could awaken Rinnegan by using Hashirama's body.

Therefore, when Madara was summon as Edo Tensei: (1) he was uchiha Madara with EMS power, and (2) By doing the proper biology with Hashirama's cell, He awaken Rinnegan.

This prove that when Madara was alive, he awaken Rinnegan just as he did when he was summoned as Edo Tensei. Izuna did not have Rinnegan, and Madara's Rinnegan is not from Sobojo or Hagoromo. The manga has explained many times how he awakened it by Madara himself, Hagoromo, and BZ.

Now, you claim that Madara's edo Rinnegan was fake! Really? The Rinnegan was a tangible Edo Rinnegan with all its power including Summoning meteorites, performing chakra absorption, etc. Its disappearance after Madara's revival does not make it fake at all. The lesson that you should draw from Edo Tensei is that an Edo Tensei can only do what he could do when he was alive. Madara edo Tensei awakened Rinnegan because he could awaken Rinnegan when he was alive. Going against this plain fact is pure denial and delusion because there are many dialogue between Madara and Kabuto to prove this.

Firstly I'm not saying his theory is necessarily true, I'm saying that it actually makes sense in my opinion and can happen.

How do you explain that he couldn't summon the gedo mazo? And not to mention the fact that if it was real why didn't madara revive himself with his rinnegan? (unless you can't revive yourself)

The only two explanations are that either that was a fake rinnegan that could do most of the stuff a real rinnegan can but not all, or that the real set of rinnegan madara had, when alive, were hagoromo's. Both options allow the possibility that there can and always will be only one pair of real living rinnegan. If we go with the first option that the rinnegan is fake in the edo body, that makes sense because a real rinnegan could summon the gedo mazo and as we know madara couldn't summon it in his edo tensei body. If we go with the second option that means that both madara and hagoromo had the same rinnegan, thus they could access the same summonings. And when madara was edo tensei, it replicated the rinnegan he could have had, but it wasn't the ACTUAL same rinnegan he had as a living person.

The edo tensei like you said replicates the abilities a user had. But what the OP was meaning is that the edo tensei body =\ real body.
That means that if an edo tensei body has the rinnegan, it's not the same thing as an actual person whose alive having a rinnegan made up of living organic matter.

That is also why madara when revived by obito had his rinnegans removed. It's not because he died without them. Otherwise, like I said, he should have been revived as an old man anyway or have his entire body destroyed. .
Just like what happened to his rinnegan, as the OP suggested.(because in the living world his dead body was too exisiting somewhere)

The only problems I see with OP's theory is that both juubi and sasuke had a rinnegan too. But when you think about it, their rinnegan appear quite different than what madara had.
This means that they might be something entirely different. Not to mention that Hagoromo referred to them as a sharingan.

 

[johnny335704]

May be but chances are less for this to be true. Since Kaguya has 1 9T rinnegan, Sasuke has 1 6T rinnegan & SO6P has 2 rinnegan eyes & Madara has 2 rinnegan eyes.

 

[NaruSasuRival]

Firstly I'm not saying his theory is necessarily true, I'm saying that it actually makes sense in my opinion and can happen.

How do you explain that he couldn't summon the gedo mazo? And not to mention the fact that if it was real why didn't madara revive himself with his rinnegan? (unless you can't revive yourself)

The only two explanations are that either that was a fake rinnegan that could do most of the stuff a real rinnegan can but not all, or that the real set of rinnegan madara had, when alive, were hagoromo's. Both options allow the possibility that there can and always will be only one pair of real living rinnegan. If we go with the first option that the rinnegan is fake in the edo body, that makes sense because a real rinnegan could summon the gedo mazo and as we know madara couldn't summon it in his edo tensei body. If we go with the second option that means that both madara and hagoromo had the same rinnegan, thus they could access the same summonings. And when madara was edo tensei, it replicated the rinnegan he could have had, but it wasn't the ACTUAL same rinnegan he had as a living person.

The edo tensei like you said replicates the abilities a user had. But what the OP was meaning is that the edo tensei body =\ real body.
That means that if an edo tensei body has the rinnegan, it's not the same thing as an actual person whose alive having a rinnegan made up of living organic matter.

That is also why madara when revived by obito had his rinnegans removed. It's not because he died without them. Otherwise, like I said, he should have been revived as an old man anyway or have his entire body destroyed. .
Just like what happened to his rinnegan, as the OP suggested.(because in the living world his dead body was too exisiting somewhere)

The only problems I see with OP's theory is that both juubi and sasuke had a rinnegan too. But when you think about it, their rinnegan appear quite different than what madara had.
This means that they might be something entirely different. Not to mention that Hagoromo referred to them as a sharingan.

On blue-Bold-underlined, the theory does not make any sense. See, it is true that the OP takes a lot of picture from the manga that look like the said sobojo, or whatever. However, the key arguments that are Izuna, Rinnegan, and his other theories are based on false hypotheses. They are simply his own remake of the story.

On Red-bold-underlined, Madara could not summoned Gedo Mazou because there was no Gedo Mazou. The Gedo Mazou was in Obito's control when Madara was revived. Then afterwards, the Gedo Mazou was already turned into Juubi. Next, Madara never tried to summon Gedo Mazou anyway, and therefore, gedo mazou cannot be used as argument. The only time Madara summoned Gedo Mazou was when he was revived and the bijus were already removed from Gedo Mazou + Obito being almost dead due to Rinne tensei. In fact, summoning Gedo Mazou is one thing that is possible to a rinnegan user just like everything else Madara was able to do with his Edo Rinnegan. So, if you believe that summoning gedo mazou prove that the Rinnegan is real, then absorbing chakra or pulling meteor is also an evidence of the reality of the said Rinnegan. Finally, to revived someone, you need to have a life force to trade with death. Madara had no life force, and this is the whole purpose of seeking to be revived. If you have life force then you don't need to be revived because you are alive anyway. Do you remember he couldn't become Jinchuriki because he was edo tensei? this is also another reason he did not try to take Juubi from Obito.


As far as the manga is concerned, a lot of things have been explained already. The Rinnegan is one of these thing. We already know that to unlock Rinnegan, one need to possess the same chakra as hagoromo. One way to obtain Hagoromo's chakra is to mix the chakra of the two transmigrant of his children, Ashura and Indra. This is how Madara unlocked Rinnegan, and it is well documented. The only mystery left about the Rinnegan is how Hagoromo himself came to unlocked it, i.e., how he obtained the chakra of the Rinnegan?

 

[CookieMan9000]

On blue-Bold-underlined, the theory does not make any sense. See, it is true that the OP takes a lot of picture from the manga that look like the said sobojo, or whatever. However, the key arguments that are Izuna, Rinnegan, and his other theories are based on false hypotheses. They are simply his own remake of the story.

On Red-bold-underlined, Madara could not summoned Gedo Mazou because there was no Gedo Mazou. The Gedo Mazou was in Obito's control when Madara was revived. Then afterwards, the Gedo Mazou was already turned into Juubi. Next, Madara never tried to summon Gedo Mazou anyway, and therefore, gedo mazou cannot be used as argument. The only time Madara summoned Gedo Mazou was when he was revived and the bijus were already removed from Gedo Mazou + Obito being almost dead due to Rinne tensei. In fact, summoning Gedo Mazou is one thing that is possible to a rinnegan user just like everything else Madara was able to do with his Edo Rinnegan. So, if you believe that summoning gedo mazou prove that the Rinnegan is real, then absorbing chakra or pulling meteor is also an evidence of the reality of the said Rinnegan. Finally, to revived someone, you need to have a life force to trade with death. Madara had no life force, and this is the whole purpose of seeking to be revived. If you have life force then you don't need to be revived because you are alive anyway. Do you remember he couldn't become Jinchuriki because he was edo tensei? this is also another reason he did not try to take Juubi from Obito.


As far as the manga is concerned, a lot of things have been explained already. The Rinnegan is one of these thing. We already know that to unlock Rinnegan, one need to possess the same chakra as hagoromo. One way to obtain Hagoromo's chakra is to mix the chakra of the two transmigrant of his children, Ashura and Indra. This is how Madara unlocked Rinnegan, and it is well documented. The only mystery left about the Rinnegan is how Hagoromo himself came to unlocked it, i.e., how he obtained the chakra of the Rinnegan?

Alright I understand why madara couldn't revive himself, that wasn't a good point on my part..

However, I still insist that madara couldn't summon the gedo mazo because his rinnegan in the edo tensei was either fake or not the same as hagoromo's or both, for the same reasons I wrote.

Otherwise explain this:

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One of the bijuus was suprised that madara summoned the gedo mazo because they thought he was still an edo tensei and that his rinnegan was fake.
You can clearly see the bijuus mentioning the real rinnegan. And that why he was able to summon gedo mazo. Summoning something as specific as the gedo mazo seems kind of weird, because it is something that wasn't there to begin with. Seeing as Hagoromo sealed it himself after he got the rinnegan. It's not like the animal path where it's something that always existed with the rinnegan (as far as we know at least). So as I said I think that the edo tensei rinnegan being fake and that both madara and hagoromo having the same rinnegan makes a lot of sense.
Further more, the fact that Madara was revived by Obito without his real eyes (the real rinnegan) further strengthens that notion. For the same reason I already wrote before.

Also seeing as nothing in the manga contradicts the fact that there can only be one set of real rinnegan, I don't see how this particular theory contradicts the plot.
It might not happen, sure, but it is still based on the plot and the little other plot holes it has (like sasuke having the rinnegan) can be easily solved.
And as for the theory about Izuna, it was just a separate speculation the op made and he managed to connect the two, those two theories don't necessarily have to be correct for only one to be correct. There could be other possibilities that can connect with this particular theory.

I personally am not sure what to think about the Izuna thing. One thing that bothers me the most is that the swirly zetsu was obsessed with what it's like to poop. Which is not something I think Izuna would do, because he was already a human and knew what it's like to poop. LOL
It might sound trivial because it was made for comic relief, but still.

 

[MWQ]

Between Indra and Izuna, there is a huge time difference. As, there is no evidence of anyone having the Rinnegan transplanted nor any incidents concerned with it during that timeframe, I thought that the Rinnegan was sealed somewhere. The only thing connected to the Uchihas that could act as a seal is the Uchiha Stone Tablet.

About Izuna finding the Rinnegan, Black Zetsu may actually be involved in it, He was Kaguya's will after all.

A assumption never the less, i guess we have to just wait and see.

 

[ROHAN]

The only mystery left about the Rinnegan is how Hagoromo himself came to unlocked it, i.e., how he obtained the chakra of the Rinnegan?

Bold: Irrespective of my Theory, it really doesn't make sense how Hagoromo obtained the Rinnegan. If he obtained the Rinnegan from birth then why didn't Hamura also obtain it ? If he did get it by birth; he would have far surpassed Hamura in terms of power and this would have led to conflict and not co-operation between the two.

I also don't think that either Kaguya and the Shinju are the origin of the Rinnegan. At the most, I could say that the Rinnegan orignated from the Shinju's Fruit.

Finally, to revived someone, you need to have a life force to trade with death. Madara had no life force, and this is the whole purpose of seeking to be revived. If you have life force then you don't need to be revived because you are alive anyway.

Firstly, I do believe that Edos have Life force. The idea that Life Force = Chakra originated from this member's theory :-

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But what chakra would be left to collect after everyone on earth has been turned into White Zetsu's? To understand the answer you must understand a few things:

1) Chakra and Lifeforce are 2 sides of the same coin. When one run outs of one they run out of the other and thus to have one is to have another. In a same you can say that they are the same thing to the point that Life Force can be best described as ones resilience to running out of Chakra, to best explain this I will qoute a section from a different thread of mine where I cover the topic in more detail:

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Life Force under the Light​

Let me try and make sense of this through the scan it was mentioned in.

The Elder Brother(Uchiha) was gifted with Powerful Chakra's and Spiritual Energies.
The Younger Brother(Senju) was gifted with a Life Force and Physical Energies.

Now the Elder and Younger Brothers are like polar opposites, one has Spiritual Energy the other Physical, one believes peace is found through war the other through love. And thus based on that logic we can expect Life Force to be the counter part of Powerful Chakra's. So based on this:

If Powerful Chakra's is big then we can expect Life Force to be small.
if Powerful Chakra's is strong then we can expect Life Force to be potent.

With that I believe Life Force to be is the amount of Chakra required for someone to stay alive. Weird I know but we have scene it time and time again that when people push themselves to the brink they often die. Good examples of this would be Kakashi.

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But Uzumaki (known for having strong Life Forces) always seem to take a licking and keep on kicking. How many times have we seen Naruto fight when he supposebly shouldn't have Chakra Left? Or the fact that a weak and fragile Nagato managed to use both Shinra Tensie to destroy Konoha and then Rinne Tensie to revive everyone in Konoha. Or Tsunade who is part Senju who healed every single person in the Village pushing her Chakra reserves to its upmost limits and yet survive?

I believe there is something to this idea.

With that explained we are lead to a the conclusion, if Life Force is the same as Chakra, and Kaguya wants all the Chakra then where could she find an abundant amount of Chakra via Life force?

Even if you think it doesn't make sense, you can't deny the fact that Life-Force and Chakra in the end are "Energy" and Energy can always be converted to another form of energy.

The Edos have Life-Force in the form of their souls.

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And don't forget the Edo's Sacrificial body with it's own Chakra networks, Blood, etc which could be used by the Edo to supply Chakra.

A) So, why didn't Madara use Rinne-Tensei on himself ? The explanation according to the manga is that Madara had Fake Rinnegan and Rinne Tensei and Gedo-Mazou Summoning require the Real Rinnegan (Interestingly, both the Techniques are Outer-Path Techniques, not the Six Realms techniques which could be used by Fake Rinnegan).

B) Why Madara needs a real body then ? If Madara had Life-Force, then why go after a Real body via Rinne-Tensei ? In order for Madara to house the Real Rinnegan; he needed a real and alive body. The Real Rinnegan is not compatible with an Edo Body. (Once again showing that the Rinnegan is a special power).

Both the points are complimentary to each other, it shows that Madara as an Edo was not able to cast Rinne-Tensei on himself, nor was his Rinnegan compatible with his Edo Body. As such, he needed Obito with the Real Rinnegan to revive him.

About the Jinchuriki thing : Minato, even as an Edo was the Yang Kuruma's Jinchuriki.

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[Bronze]

-Tengo doesn't have Rinnegan. Uchiha and Senju combination is what awakens it.
-Indra didn't steal his father's eyes, and that image of his eye was/is flawed. Go retread the conversation between Hagoromo and Naruto, Indra had Sharingan.
-Izuna didn't have Rinnegan, as he doesn't have Senju cells.

Most of your theory is flawed and imagination.​

 

[DrSexy]

-Tengo doesn't have Rinnegan. Uchiha and Senju combination is what awakens it.
-Indra didn't steal his father's eyes, and that image of his eye was/is flawed. Go retread the conversation between Hagoromo and Naruto, Indra had Sharingan.
-Izuna didn't have Rinnegan, as he doesn't have Senju cells.

Most of your theory is flawed and imagination.​

i really dislike this guy with all his butthurt.

you are wrong anyway, i think dragonors theory has a 98% chance of being correct. I have the knack to know when a theory is right.

 

[ROHAN]

1) -Tengo doesn't have Rinnegan. Uchiha and Senju combination is what awakens it.
2) -Indra didn't steal his father's eyes, and that image of his eye was/is flawed. Go retread the conversation between Hagoromo and Naruto, Indra had Sharingan.
3) -Izuna didn't have Rinnegan, as he doesn't have Senju cells.

Most of your theory is flawed and imagination.​

1) One possibility is Uchiha + Senju = Rinnegan. Other one is Ashura + Indra = Rinnegan. And Black Zetsu did pretty much both. Yet, Rinnegan didn't awaken as he constantly failed.

2) Indra had his own Sharingan initially. But what matters is what happened after Hagoromo's Death. It's not far-fetched to say that he took Hagoromo's Rinnegan to compete against Ashura.

3) Izuna is pretty much a connecting link here. It may or may not fit in the Story's timeline.

 

[NewMaster7]

1) One possibility is Uchiha + Senju = Rinnegan. Other one is Ashura + Indra = Rinnegan. And Black Zetsu did pretty much both. Yet, Rinnegan didn't awaken as he constantly failed.

2) Indra had his own Sharingan initially. But what matters is what happened after Hagoromo's Death. It's not far-fetched to say that he took Hagoromo's Rinnegan to compete against Ashura.

3) Izuna is pretty much a connecting link here. It may or may not fit in the Story's timeline.

ONLY Indra and Asura chakra AWAKENS the rinnegan. NOT UCHIHA AND SENJU

The bloodlines are only there to carry the vessels for the transmigrants (thus why Hagoromo cant be reincarnated....because there has been none born of both lineages naturally)

IZUNA DIDNT AWAKEN RINNEGAN, one he wouldn't have died if did (tobirama and the senju would have been soloed and he would have been approached by BZ instead Madara).

The rinnegan only awakened because he finally found someone desperate enough to implant asura chakra into them + end of life span.

Theory is 99% imagination good...but not possible.