Once thought to be the only surviving member of the Uchiha clan besides its destroyer Itachi, Sasuke Uchiha spends the first part of the series hellbent on vengeance. He's willing to do anything ...

but there are specific conditions under which an Uchiha will be able to unlock the Sharingan. Throughout the series, Sasuke not only awakens his Sharingan, but is also able to improve and achieve ...