Itachi Uchiha is undoubtedly one of the best side ... the user's opponent into seeing things that aren't exactly real. There aren't many better Genjutsu users in the entire series than Itachi ...

Studio Pierrot fumbled big time with their misrepresentation of Sasuke and Itachi Uchiha's character in the Naruto anime as ...

Sasuke Uchiha's journey through ... a valid possibility, given how real genjutsu techniques could be (especially from the master of illusions, Itachi). Moreover, considering this situation canon ...