The Mage Storms: A Valdemar Omnibus by Mercedes Lackey
Valdemar and Karse have been enemy kingdoms for centuries. But when the mysterious Eastern Empire perpetrates malicious deeds against both kingdoms, they are forced into a cautious alliance.Valdemar's Heralds and Karse's Sun-Priests must unite and combine their magical abilities against the dangerous sorcery of the East. But their alliance is often fragile. Secrets that have been hidden for centuries are revealed, and strange, magical phenomenon begin to occur across the land-the mage-storms. These storms bring catastrophic earthquakes, monsoons and blizzards, as well as releasing terrible, nightmarish creatures into the realm. The allies must locate the source of the mage-storms to save the world from annihilation, and along the way they will encounter some of the most powerful magic ever devised.The Mage Storms omnibus follows young wizard Adept An'desha and cleric Karal as they struggle with the responsibilities of an adult world and seek to defend their Kingdom from magical havoc.