Oathkeeper: Theories About Brienne’s Sword on ‘Game of Thrones’

If you don't remember the history behind Brienne's sword, you may not understand why it was such a big deal for Jamie to let her keep it. We're going to review the history of Oathkeeper and theories around the sword. It's one of the few Valyrian steel swords in the Game of Thrones universe, so it has a huge a significance. Click through the gallery for more information about Brienne's sword and why Brienne/Jamie fans are so happy about the scene between the two. (HBO)