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.
Without this, I would have been dead.
لولا هذا لكنتُ في عداد الأموات
Ohne das hier wäre ich bereits tot.
Sin esto, pude haber muerto.
Sin esto podía haber muerto.
Senza questo, sarei morto.
Sem isto... eu teria morrido.
Без него я бы уже погиб.