Shyla fears for her life when the king unexpectedly summons her, but the true reason proves to be even more terrifying.... The nail-biting finale of the award-winning fantasy series by New York Times best-selling author Maria V. Snyder.

"Maria V. Snyder does it again! Rich and atmospheric world building, a heroine with as much heart as humour, and a hint of romance will take this story of courage, sacrifice, and belonging straight to your keeper shelf." (Amanda Bouchet, USA Today best-selling author of The Kingmaker Chronicles)

"You can join me or you can die."

Hard on the heels of trouble in Zirdai city, Shyla Sun-Kissed and Rendor are ordered to report to the king of Koraha - a summons that is deadly to ignore. The king holds the key to Koraha's existence, but a formidable new enemy threatens Koraha's very survival, and the king desperately needs Shyla and Rendor's help.

Wielding a terrifying and unknown magical power that can convert opponents into devoted soldiers, the mysterious army is hell-bent on usurping the crown. Shyla and Rendor are tasked with discovering who in the seven hells these insurgents are. And what their real endgame is.

Trekking through the punishing conditions across the searing surface of Koraha, and facing numerous unseen foes and untold danger, they must follow the clues to uncover the truth before it's too late. The fate of the king and all the citizens of Koraha rests in their hands....