Time Master Series by Louise Cooper

The Seven Gods of Order had ruled unchallenged for an aeon, served by the Adepts of the Circle in their bleak Northern stronghold. But for Tarod – the most enigmatic and formidable sorcerer in the Circle's ranks – a darker affinity had begun to call.Threatening his beliefs, even his sanity, it rose unbidden from beyond Time; an ancient and deadly adversary that could plunge the world into madness and chaos – and whose power rivalled that even of the Gods themselves... moreThe Seven Gods of Order had ruled unchallenged for an aeon, served by the Adepts of the Circle in their bleak Northern stronghold. But for Tarod – the most enigmatic and formidable sorcerer in the Circle's ranks – a darker affinity had begun to call.Threatening his beliefs, even his sanity, it rose unbidden from beyond Time; an ancient and deadly adversary that could plunge the world into madness and chaos – and whose power rivalled that even of the Gods themselves. And though Tarod's mind and heart were pledged to Order, his soul was another matter... less

The Outcast waits in a castle outside of time, his soul imprisoned in an ancient jewel. Spawn of Darkness, Adept of Chaos, he dreams of taking his vengeance on the Lords of Light. Cast on his shores by sorcerous winds, a woman comes who will set him free to defy his terrible destiny. This is the tale of his deliverance.

Chaos stalks the Realm of Order. The fate of a world hangs on one woman's life. In Conclave grave the Lords of Light will summon their God to battle. Adept of Chaos, sworn to the Law, the Master rides to confront his terrible destiny. This is the tale of his decision. This is Book III in the Master trilogy.