Jiraiya's mastery of Sage Mode and his unrivaled battle acumen set him apart from Tsunade's strength and Orochimaru's forbidden techniques. Jiraiya's feats in battle, including forcing Itachi and ...

He had already mastered the use of Rasengan before the timeskip. So, Jiraiya didn't help him with it. Naruto learned Sage Mode after Jiraiya's death with Fukasaku's help. He created the ...