Gaea has been defeated, at great cost. The gods are gone, Olympus is closed and the world is in chaos after the failure of the Mist. Now, 8 years later, Humanity has turned to the Demi-Gods to save them from the Monsters invading Earth. The New Roman Empire has been founded with Jason Grace as Caesar, and now the Flame of the West must be reignited - before all is lost.

Set 70 years following Inheritance, a new order of Riders has emerged under the leadership of Eragon, and Alagaësia has remained a land at peace. But when news of a possible new threat reaches the Order, a young Rider is dispatched to assess the danger. He soon discovers that the old Empire's Legacy yet thrives, and threatens the very future of Alagaësia itself...