Warning: This video contains spoilers for Game of Thrones up to Season 6 and Book 5.
Even though at 18 minutes this video is fairly long, if you’re a Game of Thrones fan, you’ll most definitely want to watch it all.
It looks like white walkers are the big threat to Westeros in Game of Thrones Season 7 – and one of the only things that can stop white walkers are Valyrian steel swords. Where are all the Valyrian blades in Westeros, and how might they play into the future of Thrones?