Shield of Darkness

War is coming between the Shield Knight and the Exarch. But neither sees the dark power manipulating the battle from the shadows. To drive the Exarch from her stronghold on the Isle of Kordain, Ridmark is gambling on a bold strategy - to reach the Isle through the twisting caverns of the Deeps. But the caverns of the Deeps are filled with deadly dangers and deeper mysteries. And disturbing one of those mysteries might wake a darkness to dwarf even the Exarch herself...