Aeons once ruled the world. Now, their empire lies in ruin, and the survivors hide on the fringes of society. Nahlia is a librarian's apprentice who's obsessed with Aeon lore, scavenging for hints of their legendary power. But others are searching too, including the Templars who seek to hunt down the Aeon survivors. When the Templars attack her family, Nahlia is forced to infiltrate a secret academy and rise beyond everything she's ever known.

Nahlia and Thane are fugitives. Enemies surround them from every side. Not just Aeons and Templars, but a mysterious sect of assassins who seek the artifact they stole from Whitecliff. During this time, Nahlia's powers grow faster than she'd ever imagined. But this growth brings new challenges, including a darker side of Ethermancy that could change everything Meanwhile, Ciena Raider strikes out on her own. Driven by vengeance, she trains harder than ever before, vowing to become the strongest Aeon of this age.

Three days after the Battle of Dragonshard, Thane Solidor returns home to claim his rightful place as king. But a foreign tyrant sits on his throne, and the loyalties of his betrothed remain uncertain. With the help of his sister, Thane sets out to steal the land’s only functional airship and gain an advantage over his enemies. The fight for Revera begins now.

Trelidor reigns, and the heirs of Revera fight back from the shadows. After spending six months in a coma, Nahlia has exiled herself to the eastern lands of Valaysia. Death has stripped her of her power, but she meets unexpected allies across the Sunrise Sea. Thane and Relyn pursue new allies as well. With their own kingdom held hostage, the rebel king and queen fly their airship over distant lands, seeking to build a new army of Ethermancers. Meanwhile, Ciena and Elias sneak into their home city of Raidenwood. Here, Ciena's crystal sword may be the key to unlocking her ancestor's tomb, finding his lost Codex, and turning the tide of the war.