Board Thread:Theories and Speculation/@comment-35685868-20180605140514/@comment-6769189-20180614091507

I mean, Jiraiya showed and explained to Naruto how Rasengan works but it still took him a month to even get kinda right.

Shikamaru asked for the simplest, easiest jutsu to "teach" the alliance, meanwhile FTG requires 3 jonin level guys to perform with the exception of Minato and Tobirama.