Mighty cyrens have ruled the ancient lair of Saddoriel for centuries; a cavernous fortress and a subterranean labyrinth of tunnels and levels all powered by magic and music. From the moment she was born, Roh, the daughter of an infamous criminal, has been despised by her own kind. Restricted to the Lower Sector and forced to work as a common bone cleaner, she has always believed she belongs above: where lies adventure...and power. Opportunity arises in the form of the Queen’s Tournament....

Dark magic is forbidden at Zodiac Academy. That’s why I hide it so well. But now, I’m supposed to mentor Darius Acrux, the son of the most ruthless dragon shifter in Solaria. If he’s caught using blood magic, he’ll lose his claim to the throne. The problem is? Our families are up to something, and we’re determined to find out what. No matter what dark power we must turn to....

With her death foretold, Althea Zoltaire only has three years to become what she’s always dreamed of being: a warrior legend. Women are forbidden to wield blades, so she has trained in secret her entire life. Now racing against the clock, she fights to secure her place in the elite guild charged with the protection of the five kingdoms. The sparring and hazing of the new trainees border on deadly, but even more dangerous is her growing attraction to Wilder Hawthorne, her unwilling warrior chaperone. All around them, schemes are afoot and darkness looms.

Silla Nordvig is running for her life. The Queen of Íseldur has sent warriors to bring Silla to Sunnavík, where death awaits her. When her father is killed, his last words set Silla on a perilous quest: travel the treacherous Road of Bones—a thousand-mile stretch haunted by warbands, creatures of darkness, and a mysterious murderer—and go to Kopa, where a shield house awaits her. After barely surviving the first stretch of road, a desperate Silla sneaks into a supply wagon belonging to the notorious Bloodaxe Crew. To make it to Kopa, she must win over Axe Eyes, the brooding leader of the Crew.

Drue Emmerson, noblewoman-turned-ranger, wants one thing: vengeance. With her family slain by the vicious shadow wraiths, she’s determined to defend her fallen kingdom. And that means carving out the hearts of every dark creature she can find. Talemir Starling, celebrated warrior of the realms, has a dangerous secret: he's a half-wraith, kin to the creatures wreaking devastation on the world. He’ll do anything to keep his true nature under control…especially around the woman who’s vowed to destroy him.