Sourcethief (Twinborn Trilogy, #3)

War ravages Veydrus. Driven back by the magical might of the Kadrin Empire, the Megrenn Alliance is in a shambles.

The war spills into Tellurak. and Twinborn plots spanning the two worlds threaten the course of the war from all sides, including within the empire itself.

Desperate to find a way to counter the unstoppable power of an army led by a demon warlock, Jinzan Fehr seeks an ancient source of power.

Thus begins the Fourth Necromancer War...