At the climax of the battle, both Itachi and Sasuke run out of chakra. However, Sasuke reveals that his actions up until now were only a preparation for his final jutsu.
Sasuke's even lost his Sharingan
فقدَ ساسكي الشارينغان خاصّته حتّى
Sasuke ha perdido hasta su Sharingan 
y ha sido despojado de Orochimaru.
A Sasuke è sparito persino lo Sharingan
Sasuke até perdeu seu Sharingan
Саскэ даже сяринган отключил,