He has the special ability of making friends easily. That's the thing that is most relevant to the subject.
Just so you know, children...
I'm thinking that scroll might be the technique for the 4th "Flying God" technique. that would be so awesome.
As long as Naruto can learn and master Hiraishin no Jutsu, why would he need a bloodline technique.
Combine Hiraishin no Jutsu with Tajū Kage Bunshin no Jutsu were all the clones have full-power Rasengan and it is game over.