Darkness threatens to destroy the world. And it's lurking within myself.As a new Enforcer for the Bone Coven, I protect humans from supernatural assaults with the help of my sexy half-warlock, half-vampire partner. But when my latest investigation reveals a string of gruesome mage deaths, it seems there's a serial killer targeting us instead of them.To make matters worse, demons immune to my coven's spells are now prowling the city streets hunting...