Unsurprisingly, Game of Thrones’ fifth episode of its final season left many viewers in a state of shock. Between plot twists, violence, and incredible cinematography, the clashing armies of Westeros have never looked this ferocious (or terrifying.) What you might not have noticed, however, are subtle details in the background of many frames. Eagle-eyed viewers have been keen to point out the secrets hidden in the episode, and this list compiles some of the best findings into one place. Oh, as a courtesy, here’s a spoiler alert!