Oh man dont say things like this, is cool to read that theory and it make sense in here, there, over all, but no one say that is true it is just really good theory what could be true and its all what you can say about it so to read it is a good think, to belive in it hmm you can but you dont must .
Troll Tagged by Uzumaki_Tim
ryusukai and I are thinking in the same wavelength, Regardless, tengu theory should have his own show but does not belong in naruto.
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That thoery is only speculation of things that are in manga so something is for sure true but not all not all.
Sharingan is kekkei genkai the same is with the 1 hokage (tree) and besides as i say that that man is meyby an uchiha but an uchiha that dont have a sharingan meybe ? Not all uchiha have sharingan and besides from some one the sharingan must start dont you think ? So i think its origin of sharingan (they could be more uchiha)...it was like this that uchiha was fighting with 1 hokage but he get beat up and go to powerfull demon for the power (this power was sharingan), so he get the sharingan but in on condition that some day when will be more uchiha they will make the pourpose(whe dont know it so it could be anything). Thats could be the origin because sasuke was saying that: so that was the pourpose something like that !!?? (or something similar) and besides the kyubi say sharingan is a cursed eyes with sinister chakra (going from sharingan(or the blood)) to his so i think it could be like that .
Yes he combines water and earth to create wood but only ninja with natural affinitise in both water and earth are ablo to create new element(?) mokuton - 2 type chakra from the bright its kekkei genkai. So your post is right that he use 2 elements but this so hard to use both as one that only the poeple with the right blood line could do it (like haku) what is kekkei genkai.
BTW did 1 hokage have only a gerl not boy ?? If so then meybe that gen (2 type chakra) is only in boys thats why tsunade cant use mokuton.