Magician's Genesis (Dark Mage Series, #6)

Death, destruction, and unrelenting war…
…is all the people of Tantris have known for generations. But with the end of the Dark Mage war, a new era begins—one of safety, healing and a peace long hoped for. After centuries of struggle, the Dark Mage is dead, killed by Adam Gray in an epic battle beneath the fiery catacombs of Mount Dismay.
Or at least the world thought so.
When an assassin's arrow turns matchless joy to grieving despair, it marks but the first of many blows signaling the rebirt...