Itachi was watching his little brother, unaware he was being watched by Pain, his leader. Pain had figured out by now that Itachi wasn't really loyal to him, so he decided to finish him off." Rinnegan Six Paths of Pain!" Itachi heard that, and instictively activated his Mangekyou Sharingan. The first Pain charged Itachi, but he had seen it coming a mile away, and he turned to crows on contact. he formed back into himself behind Pain, and prepared for intense pain as he closed one eye and yelled...
"AMATERASU!" Black flames shot out of Itachi's eye, and engulffed Pain. once the flames cleared, Pain just was gone, Itachi had destroyed one of the Six Paths. Another Pain appeared. "Impressive Itachi. I see why I took such an interest in you." Itachi weaved handsigns so fast that Pain didn't see it happen.
"Firestyle, Fire Ball Jutsu!" pain gasped in surprise and jumped but it scathed his foot. "Tsukiyomi." Itachi,s eyes linked with Pain's, and Pain found himself tied to a cross in a world with a red sky, and a black... everything else. "In the Tsukiyomi, time and space, even physical mass, I control them all." Two Itachi's continued to stab Pain over and over and over. " the next 365 days will be nothing but this, over and over. a full year passed in that world, and only 5 seconds passed in the real world, and when it was all over, the 2nd Path of Pain vanished, and Itachi was beggininng to feel the pain in his eyes now, and he had to retreat. "Susano'o." a huge chakra samurai creature surrounded Itachi, and he used the Totsuka blade to exterminate the remaining Pain's then deactivated his Susano'o to go confront Nagato.
Elsewhere...
Sasuke was on a walk through the forest, and he stopped to take a look at the village he had abandoned. He remembered the last words he said to her before he left... 'Sakura... Thank you...' He had always wondered if that was the right choice. "Mabye I should see her..." He was deep in thought about her, when he turned to see...