It is mentioned in the manga that he wanted Naruto to use it a weapon against Uchiha Madara but does that even make sense? I mean he can’t control it and it actually hurts his body. Plus what is the “that jutsu” that Jiraiya forbids Naruto from using soon after homecoming.
I have heard that celebrities are shifting towards dream reading. I was very surprised when a lot of famous people started to follow Kabbalah, and now this. I would like to know more, and what other books are they reading?