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.
The real battle is only beginning.
فالمعركة الحقيقيّة لم تبدأ بعد
Der wahre Kampf beginnt
nämlich erst jetzt.
La vera battaglia è solo all'inizio.
A batalha de verdade só está começando.
Теперь всё серьёзно.