Warning: This post contains spoilers for season seven of Game of Thrones. The final moments of Game of Thrones‘ seventh season saw the Night King bring down a large section of the Wall at Eastwatch-by-the-Sea with the help of the undead Viserion. He then crossed into Westeros with the army of the dead at his back. It remains to be seen where exactly in the Seven Kingdoms the leader of the White Walkers is headed.