The Sting meets Fight Club in this magical, action-packed sequel to Caster by Elsie Chapman.Every spell cast needs a starter.Aza Wu now has magic back. But like all things in her life, it has come at a great cost. After winning the Tournament of Casters, Aza is able to pay off her parents' debt to Saint Willow. But the price of the gathered spell she used to strip Finch of his magic has put her permanently in the employ of the gang leader. And the magic that has been returned to her is not her own.Aza is forced to use this magic, stolen and unpredictable, to do Saint Willow's dirty work. But the gang leader is ambitious and power-obsessed, and she always seems to have a larger plan. Aza knows that if Saint Willow can benefit, it doesn't matter who gets hurt along the way.Forced into a dangerous new situation, Aza will have to reckon with the choices she's made and the unstable magic she wields. If she can find a way out of Saint Willow's hold, she just might survive. That is, if her casting doesn't finally consume her.