Spoiler alert! If you have not seen Game of Thrones yet, you might want to stop reading this post, like, right now.
In what was, probably, the best episode of season seven, we finally got to see Daenerys ride a dragon into battle! The last 10 minutes of the show was an epic battle which is likely a stepping stone to a whole lot of awesomeness to finish out the rest of the season. But before we get to the battle, plenty of other important things happened in "The Spoils of War" episode.
Arya finally returned to Winterfell where she found Lady Sansa running the show, and Bran off by the tree being all Three-Eyed Raven-y. On the bright, Bran also used his creepiness for good when he repeated something Littlefinger said to Varys back in season three. Littlefinger was talking to Bran about all the chaos in the world, and Bran said, "Chaos is a ladder." But before that, Littlefinger did give Bran the Valyrian steel dagger that almost killed him. Then, Bran gave it to Arya, who used it to show everyone, including Sansa, how dangerous she is while training with Brienne.
Meanwhile, Jon and Daenerys were spelunking on Dragonstone, where Jon found some cave drawings that conveniently proved his point about the White Walkers. Daenerys agreed to fight for the North, but only if Jon bent the knee. Jon explained that the Northern folk will never follow a Southern Queen, to which she said, "Isn't their survival more important than your pride?" If that sounds familiar, it's because that is the exact same thing Jon asked Mance Rayder about the wildlings before Stannis burned Mance at the stake.
Although, Daenerys and Jon decided to put a pin in it for later, because she had a war to fight. After a couple of big wins for the Lannister army, Jamie finally ran into trouble when hoards of Dothraki ambushed them on their way back from Highgarden. And that's when we finally saw the Mother of Dragons ride into battle and decimate the Lannister forces. With the dragon raining fire from above, and Dothraki fighters slicing through men in their iron suits on the ground, it was more of a slaughter than a battle. That is, until Bronn jumped on the realm's largest crossbow and shot the dragon in the shoulder.
The dragon had to land thanks to the wounded wing, leaving Daenerys vulnerable, and Jamie with a crazy thought in his head. Tyrion was looking on from a distance and quietly pleading with Jamie not to be an idiot, saying, "Flee, you idiot." But Jamie did not flee, he rode his horse toward Daenerys and her dragon, with a spear in his hand, and the hopes of ending the war right there. Although, the dragon turned its head, and Jamie was about to be toast, until Bronn saved the day, again. Unfortunately, he tackled Jamie off his horse and into the water, which is a bad place for a man to be when he's covered in armor and has a solid gold hand. The episode ended with Jamie sinking down to the bottom of the river, leaving everyone wondering if he's going to survive. And also wondering how a man can get tackled off his horse and fall into water that looks, at least, 20 feet deep.