The Pearl of the Soul of the World (Darkangel Trilogy)

The spellbinding conclusion to the Darkangel Trilogy! Armed with a magical pearl imbued with all the sorcery and wisdom of the world, bestowed upon her by the Ancient known as Ravenna, Aeriel finally comes face-to-face with the White Witch and her vampire sons. Backed by her husband, his army of good, and a throng of magical steeds, she must unlock the power of the pearl to awaken her true destiny and save the world.