That is fodder PS compared to this
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Or maybe Orochimaru has an army of Sharingan users with Hashi DNA. Keep in mind that Orohimaru has access to Hashirama's cells as well as Obito's supply of Sharingan eyes. Combine that with his overall knowledge of...just about everything, and he could be a big thread. I agree that Naruto and Sasuke should both still be able to beat him pretty easily though. Also, maybe it should be noted that Orochimaru does not really die. So maybe Sasuke was trying to make sure that there would be no way for Orochimaru to come back...idk.