What Is the Prophecy of Azor Ahai on Game of Thrones?

The sixth season of Game of Thrones has officially kicked off with a truly exciting premiere that begins with Jon Snow's death and a seriously gnarly twist, then continues with his shocking resurrection. As we anxiously await the events of the episodes to come, we can't help but think about the big picture. Is Winter really coming? Who will take the Iron Throne? As it turns out, some of the show's biggest elements tie into a big myth — and an even bigger prophecy — from the books. Keep reading so we can break it down, then learn about the other prophecy that Cersei mentions in the premiere.