The story goes back to right before the start of the final rounds of the Chunin Exam. As Naruto trains in preparation for his upcoming match, he hears Jiraiya speak of “the Fourth Hokage’s legacy.”
My physical strength has returned.
عادَتْ قوّتي الجسديّة
Also werde ich wieder trainieren,
um mich auf die letzte Runde vorzubereiten.
Mi fuerza física ha regresado.
Mi fuerza física ha regresado.
Le forze mi sono tornate,
Minha força física voltou.
Я восстановил силы,