Board Thread:Naruto Discussions/@comment-26388300-20150718023043/@comment-734582-20150718151434

AnonymousBlank wrote: Naruto should've gotten a lot stronger during his training trip with Jiraiya since once he got back he makes an S-rank jutsu, one-shots an S-rank ninja that same day, beat someone who, a few seconds prior, wiped out the village, after beating most of its ninja with ease, in the span of 15 mins and, worst of all, learns Sage mode in a week.

Honestly these random/inconsistent growth rates is what I would have liked to have been fixed/shown consistently throughout the series because it just throws everything out of whack otherwise. Actually Jiraiya likely spend most of that time beating out Naruto's old crappy ways and at least making him think about what he does. It's likely why he was able to do the rest: because jiraiya spent two years actually creating a foundation that previously was non-existent.