In the seventh and final book of the Throne of Glass series, Aelin Galathynius must use every strength she can after being captured and tortured by Queen Maeve. Meanwhile, without Aelin, Aedion and Lysandra must try to hold her kingdom together as Erawan sends his forces against Terrasen. As Rowan and his companions try to free Aelin and Dorian, Chaol and Manon set off on their own quests, the final battle for Erilea comes to an exciting conclusion in this excellent ending to an excellent series.