It seems Brandon Snow didn't feel like kneeling and wanted to kill the dragons. We got a glimpse of his plan in Bran's vision, where he is making weirwood arrows. This raises a couple of questions. 1. How do they work? Is it just as simple as weirwood is to dragons as dragonglass is to the Others? I can see how obsidian could be classed as "frozen fire" and why that would be effective against the Others. There's a loose but clear logic there. I don't see it as clearly with weirwoods and d