Ghost Night Series by Jonathan Moeller

Caina Amalas was once a deadly Ghost nightfighter, a spy and agent of the Emperor of Nighmar. Now she only wishes to live quietly with her husband. But civil war grips the Empire, and Caina's skills are needed against the cruel sorcerers of the malevolent Umbarian Order. And Caina has a dangerous connection to the Umbarians. For Caina's mother had many secrets, secrets that might yet kill Caina herself...

Caina has a deadly problem. Specifically, she carries the Ring of Rasarion Yagar, a relic created by the tyrannical necromancer-king who once ruled Ulkaar. The deadly sorcerers of the malevolent Umbarian Order wish to seize the Ring for themselves, as do the sinister priests of the ruthless Temnoti cult. And to make matters worse, the Ring is not the only powerful relic of Rasarion Yagar. And unless Caina can escape her foes, the wielders of those relics will kill her...

For all her life, Caina has run from the memory of her cruel mother.But her mother was merely the weakest member of a family of powerful and ruthless sorcerers.Now Caina has the Ring of the ancient necromancer-king Rasarion Yagar, and her aunt Talmania Scorneus is hunting for her. And to take the Ring, Talmania is willing to kill Caina and everyone close to her...

Caina has hated the Imperial Magisterium, the Empire’s college of magi, for all her life…and the magi hate and fear her right back. But the Magisterium has much bigger problems right now, and the First Magus is willing to make a deal. If Caina can find the root cause of a mysterious string of suicides, the Magisterium will leave her in peace. Except the suicides are actually murders. And unless Caina is clever, she’ll be the murderer’s next victim…

Caina has made many enemies, and chief among them is Lord Corbould Maraeus, the most powerful noble in the Empire of Nighmar. But the Empire is facing dire peril, and Corbould needs all the allies he can find. If Caina can find a missing ambassador, Corbould is willing to forego his vengeance against Caina. Except no mere political intrigue has snared the missing ambassador. For the ancient evils in the forgotten Vault of the Moroaica are awakening...

For all her life, Caina has served as a Ghost of the Empire, one of the Emperor's spies and assassins. Now the Empire teeters on the precipice of ruin. If Caina cannot forge an alliance among the lords of the Empire, the brutal sorcerers of the Umbarian Order will enslave mankind. After they have taken their vengeance upon Caina...

Caina only intends to make a brief stop in the city of Istarinmul before taking the necromantic Sword of the Iron King to the safety of the Towers of Lore.But the Padishah of Istarinmul needs her help, and since Caina put him upon his throne, she cannot turn him away.And the enigmatic Countess Kalthane, the woman who has been financing the Empire's war against the vile sorcerers of the Umbarian Order, needs a favor from Caina.Because Countess Kalthane has a secret... moreCaina only intends to make a brief stop in the city of Istarinmul before taking the necromantic Sword of the Iron King to the safety of the Towers of Lore.But the Padishah of Istarinmul needs her help, and since Caina put him upon his throne, she cannot turn him away.And the enigmatic Countess Kalthane, the woman who has been financing the Empire's war against the vile sorcerers of the Umbarian Order, needs a favor from Caina.Because Countess Kalthane has a secret.And if that secret falls into the hands of the Umbarians, they will use it to destroy the world... less

Two master thieves. One dangerous prize.Caina has the ancient Sword of the Iron King, one of the five relics that could return the necromancer-king to torment mankind once more.But Caina knows where the Iron King's Dagger is hidden, and if she and Countess Kalthane can steal the weapon from its malevolent keepers, two of the five relics will be unable to harm anyone.There's just one problem.The Dagger is hidden in the grim halls of the Iron King's castle... moreTwo master thieves. One dangerous prize.Caina has the ancient Sword of the Iron King, one of the five relics that could return the necromancer-king to torment mankind once more.But Caina knows where the Iron King's Dagger is hidden, and if she and Countess Kalthane can steal the weapon from its malevolent keepers, two of the five relics will be unable to harm anyone.There's just one problem.The Dagger is hidden in the grim halls of the Iron King's castle.And sinister guardians lurk in the castle's shadows... less

A hidden traitor. Two deadly artifacts.After many travails, Caina has reached the ancient city of Iramis, where the power and wisdom of the loremasters will protect the necromantic Sword and Dagger of the Iron King.But a traitor lurks within the mighty walls of Iramis.And this betrayer might undo everything Caina has done...

A dark queen rises.Talmania Scorneus has seized the power of the Iron King for herself and now leads her undead armies across the Empire. Only Caina and her friends stand in her way.And the cost of defeating Talmania might be Caina's life...