Thorne and Astra's journey reaches its heart-pumping conclusion with this gripping and thrilling tale.

In a world hanging in the balance, Astra has lost everything - her home, her parents, and her trust in Thorne.

But with Ryland ready to enslave her people and her magic spiraling out of control, Astra has no choice but to put her faith in the very person who betrayed her.

As they train together, time ticks away and decisions must be made. Their attempt to storm the Sky Palace ends in tragedy, amplifying the stakes for Astra's next move.

With Ryland hot on her heels in a search for something in the mortal realm, Astra has one final chance to stop him, but at what cost?

And then, when a new and greater evil appears, Thorne goes missing, and Astra is on the brink of losing the one thing she's not ready to part with.