Winter isn't coming; it's already here. We've heard about "The Long Night," where White Walkers ruled for a generation. Humanity barely survived, and now it looks like the Night King is about to repeat history.
But what if it's not? George R.R. Martin has a long, long history of subverting our expectations about what's going to happen next. Some fans believe that Jaime Lannister is actually the promised prince who will save the day in the end.
I know, that's hard to believe. After all, this is the same guy that pushed Bran Stark out a window. But he's changed a lot since then. Also, would Bran have become the Three-Eyed Raven if not for Jaime? Bran may wind up instrumental in helping them defeat the White Walkers, and Jaime literally pushed him into this position. Perhaps he has always been marching towards this destiny.
This theory centers around the prophecy of Azor Ahai, a legendary figure in the religion of the Lord of Light. He is said to be the one who ended the first Long Night, and will be reborn to stop the next one. This particular fan theory has a lot of parts to it, and the first is theorizing that Tywin Lannister is not the father of Cersei and Jaime.
How? Because Game Of Thrones is no Disney fairy-tale. There's been a theory for years that the Mad King took Tywin's wife for a night and sired the twins. It makes sense that they're Targaryens. They have the signature blonde hair, and incest was prevalent among that family. A trait they obviously partake in.
In his first attempt, it took him 30 days. However, it shattered when it was cooled in water. As we recently saw, Jaime survived a near-death experience involving water. A bit of a stretch, but it's the next phase where it gets interesting.
If Jaime and Cersei are Targaryens, then Tyrion is the last true Lannister. As we all know, their sigil is a lion. Will Jaime end up killing his (supposed) brother? We all already think he's going to kill another sibling....
Jaime has come a long way in the series. When we first met him, he was a smug elitist who tried to murder a child. Now, he risks his life trying to save the ones he loves, and is much more honorable. His arc is far more complex than Hot Pie's.
Jaime even had his heroic moments in the past. He slayed the Mad King (possibly his real father) to help save the lives of thousands that the tyrannical ruler was threatening to burn alive. Thus, he earned the name "King Slayer." Could he live up to that name again and be the one to slay the Night King?