Two Paths… (二つの道…, Futatsu no Michi…) is chapter 384 of the Naruto manga.
Sasuke and Itachi exchange blows. Sasuke is eventually able to land a killing strike, and tells Itachi there is one thing he wants to ask him before he dies. Itachi alerts him to the fact that he has only injured an illusion. Already aware of this, having attacked the illusion with an illusion, Sasuke attacks the other Itachi, repeating his determination to ask something.