Curse of the Ravenstone. Ravenstone, #2

Their mission was at an end. Suffering the price of their failure, the companions are divided. Undeterred in her quest for redemption, Kariayla, followed by Jinx and Ruby, pursues the deadly stone in a seemingly futile mission. Hawkwing and Arcturus seek the infamous White Demon, who has managed to escape the Priagent's grip. Priagent Rashir Diemh has never been closer to his goal. Possessing both the Ravenstone and the powerful cantalere known as Whitestar, a second Cataclysm is imminent.
Yet even he is driven by another-a darker force that has yet to reveal itself. The Ravenstone's ominous Shadow obscures the fate of Secramore, and unless the threat is vanquished, none will be spared the curse of its darkness.