Originally Posted by kael03
Even with the sharingan, Sasuke hasn't had time to learn Sage mode. Remember that the dealings with him is in the same timeframe and Naruto and company vs Obito/Madara/Juubi. Aside from the lack of time, what animal would Sasuke use? He has no ties to the snakes outside of Orochimaru, so he can't use Dragon mode. We've seen nothing about the hawks outside of the one that he summoned against Danzo. Also, there would be no point in Sasuke sharing an ability with his storied rival. He has EMS, Naruto has Kurama and Sage mode (which is time consuming to charge, I might add). The final fight between Sasuke and Naruto is going to be Susano'o vs Kurama mode. Sage mode won't work for that fight.
tht was not a theory , just an opinion that if that happens it will be a better hand-to-hand combat unlike the cannon these days