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- Jan 6, 2012
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The eyes would have been much, much weaker without an Uchiha body. On top of that, it's highly likely Orochimaru wanted to evolve his future Sharingan into the Rinnegan. He probably couldn't do that with just the eye alone and a host body.
Probably, but Kakashi, a non-Uchiha was able to evolve his sharingan.. .
.. . (idk)