George R.R. Martin's A Song of Ice and Fire book series contains several characters and plotlines absent from the HBO adaptation Game of Thrones, which may significantly impact the upcoming novel The Winds of Winter. Lady Stoneheart, Catelyn Stark's vengeful reanimated form, drives a Riverlands plot involving Jaime Lannister. Aegon Targaryen, or Young Griff, poses a threat to Daenerys' claim to the Iron Throne, potentially influencing her actions. Arianne Martell will be involved in conflicts in Westeros. Victarion Greyjoy, unlike his counterpart in the show, wields a dragon-controlling artifact and seeks an alliance with Daenerys. Jeyne Poole, disguised as Arya Stark, plays a crucial role in the North.