Those Who Serve the Shadows - The Velessar Saga, #2

Revenge never restsEverything Slavomír's ever known has been taken from him. His mentor, his power, and the use of his left arm. Now he's stuck in a backwater village, barely more than a walking corpse. Cut off from his source of power, he vows to start over and take revenge on those who left him like this. A dark twisting tale ensues when the denizens of the secluded village start disappearing.