The finale we have all been waiting for. Aelin must draw on the deepest parts of her will to endure months of torture in her iron coffin. The knowledge that withstanding the torture and Maeve could keep everyone she loves safe keeps her form breaking, but each day her resolve weakens. With Aelin captures, her friends and allies are scattered on their own various missions to prepare for the war. Some bonds deepen, while others could be severed forever. Destinies weave together as everyone must stand together to protect Erilea in a heart wrenching finale.

With the same timeline as Empire of Storms, we jump back to Chaol's story as they journey to the southern continent in hopes of healing. Chaol and Nesryn arrive in Antica in hopes for an alliance with the Kagan whose armies may be the last hope of Erilea. This book also brings back Yrene, who we met in the Assassin's Blade as the bar maid that Celeana taught to defend herself. Now as a renown healer of the Torre Cesme, she is enlisted in the task of healing Chaol from his wounds from Rifthold.

War looms on the horizon for Aelin as she fights for her throne. Loyalties have been broken and lost, friends have been gained, and those with magic are starting to emerge. With her heart sworn to the prince at her side and her goal to save her people, Aelin must dig deep into her powers to protect those she loves. This quest for survival and salvation may take more than what she has to give and forces her to examine who and what she is willing to sacrifice.

Calaena has embraced her true identity as Aelin Galathynuis, Queen of Terrasen. But before she can reclaim her kingdom and crown, she will have to fight. She will fight for her cousin who has and will sacrifice everything for her and their people, for the friend that is now trapped in an unspeakable prison, and for her people waiting for their queen's return. Everyone she loves is in danger and with a last of everyone being taken away from her, she has to maintain the heart of a queen.

With Nehemia's death Chaol sends Calaena to Wendlyn to leave Adarlan and complete another mission for the King. But soon Rowan of the Fae finds her and she is forced to train in her fire magic and accept her past and who she is. She learns her magic and finds an unlucky friend in Rowan. Who has also seen great tragedy in his life. Calaena soon accepts herself as Aelin the rightful heir of Terrasen. She learns about the Valg and how to help her people and all the people of the continent.

Calaena has won the competition making her the King's champion and one step closer to freedom. Little does everyone realize, she is far from loyal to the crown. As she has to go through great lengths to hide her secrets, it becomes more dangerous when there are others in the playing field. Her search for answers threatens everyone she is close to especially Dorian, Chaol and Nehemia. It all leads up to a terrible night with a crushing tragedy.

Afte the heartbreaking ending of Assassin's Blade Celaena is recruited by the Crown Prince to become the King's Champion. She now fonds herself in a castle with the king she despises who sits on his throne of glass. Her goal? Her freedom. Her mission? Defeat 23 other murderers, thieves, and assassins in a competition. When her competitors start dying mysteriously one by one, Calaena's fight for freedom becomes a fight for survival as she battles the evil found in the castle. Calaena finds herself befriending not only the crown prince, but the captain of the guard and royal princess from Ellywe.

Calaena Sardothian is the kingdom's most feared assassin but when her and her fellow assassin Sam go rogue rescuing and releasing hundreds of slaves, her handler Arobynn sends her on various missions throughout the continent. Calaena soon finds herself questioning her loyalty and allegiance. To escape Arobynn's clutches, she must use her wit and skills to break free. The problem? If she fails she is not risking her freedom but also her life.