Has she been sent to save the realm or destroy it? As Spymaster to the Queen, Aya's blood oath ensures she protects those she fights alongside - including Will, the Queen's Enforcer and Aya's bitter rival. When rumours of dark magic rise in a nearby kingdom, both are sent to investigate. But when Aya's power acts beyond her gods-given affinity, she risks being turned into a weapon in a war she doesn't know how to win. And when her relationship with Will unexpectedly shifts, neither knows the danger that will follow . . .