18 Game of Thrones Season 7 Theories to Read Until the Show Returns

When Sam arrives at the Citadel, he dons a look of awe when he explores the massive library. He's there to learn, and his number one goal is to find a way to defeat the White Walkers before they wipe out the entirety of Westeros — a task which, we're positive, he will succeed at. Let's just hope he can send a raven to Jon in time for the showdown between him and the Night's King!