Talk about a 'Game'-changer: We've had dragons here and zombies there, but this red priestess from foreign lands injects magic into the main action in a big way, seducing the otherwise upstanding Stannis in order to give birth to a killer shadow baby. Something about Van Houten's cocksure perma-smirk makes the character difficult to warm up to, like she's playing a game we can't even see, but I suppose that's the point.