Ok, so I guess this is what they were holding back on the other action sequences this season for. Field of fire was legit great, and had a really solid back and forth of who seemed to be in danger. It also did a pretty good job of putting the viewer firmly on the Lannister side in the fight, further building the theme of Dany maybe not being the greatest, after six seasons of Dany as savior. And for all the shit it got before, they did a good job of having the ballista feel actually threatening when Bronn was using it.
Also, the AryaBrienne duel was really great. Arya is kind of a cartoon hero at this point, but it worked. And Bran continued to be suitably creepy. They seemed to be rolling back the horror elements of his plot in previous seasons, with all the cannibalism and whatnot omitted, but they seem to be diving headfirst into the idea that Bran's journey wasn't a positive one now with this notion that Bran as we knew him died in that cave.
I think you're implying some foreshadowing, but even in this show I can't see how that would come to happen.
Euron, Casterly Rock, Dragons v. Lannisters -- more battles but less episodes, worth it? Not sure yet.
I hardly even count Casterly Rock. That was the sort of scene that could have happened in any season. Greyjoy naval battle felt like they had the money for it, thanks to the episode cut, the director just flubbed it. But between the sea battle, field of fire, and whatever the beyond the Wall stuff later in the season is, it's definitely clear that the budget went towards something with the episode cut. Though I really wish more of it had gone towards making the set design for Highgarden and Casterly Rock more impressive, even though they each only got a scene. Dreary Dragonstone comes off like a more luxurious castle than either because of the focus it got.