>Because, to me, it seemed like the implication was that Bran
>was the Night King's biggest concern, someone with magic
>powers who knows everything about the White Walkers and how to
>defeat them. I might be wrong tho-- but that scene definitely
>seemed to imply that Bran's possession of the universe's
>knowledge was the most dangerous weapon in the Seven Kingdoms.

In terms of defeating the Night King and the White Walkers, what does Bran know that Jon and Samwell don't know already? I'm not trying to be snarky with my question either; I thought all you needed was that special obsidian/dragonglass to fight the White Walkers and their ilk; how far off am I?