Varis Kester goes by many names: Human, Killer, Bastard — but a knack for killing Fae has ensured he's known across the realms as "The Fae Hammer." Trained from a young age by the greatest knight in all of Ostusen, Varis fulfilled his first mission as the King's assassin at age sixteen. Ten years later, he's perfected his craft. He's ruthless, unattached, and ready for whatever the King throws his way… until he's not.  His newest assignment is Queen Aine of the Sun Court. Gorgeous, witty, and more powerful than he was told, she proves to be Varis' most dangerous target yet. She's also the first one to ever gain the upper hand against him. When she traps him inside the Sun Court, she offers him a choice: betray his king and set his sights on a different target, or watch his brother die. If he succeeds, the realms will be at war. If he fails, the magic of the oath he swears to her will kill him.  With everything to lose, Varis makes a plan of his own, but following through with it might be harder than he thinks.