Board Thread:Naruto Discussions/@comment-27654795-20161130001821/@comment-25122992-20161130174646

Yeah, that's true. For example, there was no way for Kaguya to know about Indra/Asura (since she was sealed before they were even born), only the info of BZ could give her the knowledge about them and Sasuke/Naruto as their reincarnates.