Iwan Rheon says the upcoming battle with Stannis is at the سب, سب سے اوپر of Ramsay's list: "I don't think anyone would be able to keep him off that battlefield."
Cersei Lannister steamrolled over pretty much all of her competition in "Game of Thrones" Season 5. But according to Lena Headey, her character's time at the سب, سب سے اوپر of this world isn't going to last forever.