There are monsters in the city. And one of them is her…

Ava Kalle’s empty soul devours magic. And her hunger is deadly. She’s sharp, quick and can live in shadow, making her work as a spy for the Mages a natural choice. She lives on the fringes of society and likes it that way.

But when the man she loves takes another woman for his mate, the darkness in her heart unravels and she’ll do anything to get him back. She makes a dangerous deal with a fire elemental, Heyerdar, who has a vested interest in agreeing: together they’ll use forbidden magic, harnessing their sexual energy to drive the couple apart.

But soon their pact pushes them both into a dark sexual obsession. One that Ava may not be able to control…