Populair Dark Magic (The Godwars, Book 2) – Angus Wells

Ages ago, when the First Gods ruled heaven and earth, they created two lesser deities to reign along with them. But these gods, Tharn and Balatur, were flawed. Their madness threatened creation itself — and thus they were condemned to an eternal sleep. Only an ancient book of spells holds the key to their release.
Now an evil necromancer has obtained the book and hastens to Tharn’s hidden resting place with a plan as deadly as the god himself. Ancient prophecy points to the exiled prince Calandryll as the …