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.
When these two powers awakened,
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Wenn diese zwei Kräfte erwachen,
dann hat sich noch eine weiteres Jutsu …
Quando acquisii quelle due tecniche,
Ao despertar esses dois poderes,
Когда я пробудил две силы,