Take the Kingswood Brotherhood, a band of brigands who inspired a heroic coming-of-age tale. Game of Thrones should have limitless spinoff potential, despite the mess HBO made in its last chapter.

Bringing a new, original story in Westeros, it's set during the latter half of Season 4 of Game of Thrones. Your character is a new addition to the series lore, an heir to House Tyre, a minor house in ...