The Sharingan is one of the most useful skills of Naruto Shippuden, bringing a number of benefits without many disadvantages. With this doujutsu, it is possible to see anyone’s chakra flow , copy jutsus after seeing them run only once, and even project the opponent’s movements when observing small muscle inflections.
A user with the fully developed and trained Sharingan can face several opponents simultaneously and still be victorious, but this was definitely not the case for Sasuke Uchiha in his battle against Killer Bee in Naruto Shippuden.
In that fight, Sasuke received two lethal blows and would have easily died at the hands of the ninja-rapper had it not been for the help of the other members of Team Taka . Despite having the full Sharingan and Mangekyou Sharingan, Sasuke was unable to keep up with Killer Bee, and there is a very plausible reason for this.
It turns out that Bee was much stronger physically and faster than Sasuke. The Sharingan acts as an amplifier for the user’s natural abilities. If two ninjas have a similar strength level, the one with the Sharingan is likely to be victorious because of the boost in their natural abilities.
However, if there is a very large disparity at the level of two ninjas, as was the case with Sasuke Bee, the Sharingan’s boost alone was not enough for Sasuke to keep up with Bee’s frantic and unpredictable movements.
Naruto Shippuden was shown between the years 2007 and 2017, counting the second phase of the anime. In it, Naruto returns after two years of training with the mission to fight Akatsuki and rescue Sasuke from the clutches of Orochimaru.