Shadow Harold, master thief, and his band of companions have reached the deep catacombs of Hrad Spein, where Harold must go in alone to face unknown horrors and retrieve the Horn that will save Siala. He is magically bound to the Key with which the dark elves sealed Hrad Spein, and the Master’s servant, the sorceress Lafresa, is close behind him.
Harold and his companions must face H’san’kors, evil magic and the agents of the Nameless One, but unless they find the long-lost Horn darkness will overrun the realm of Valiostr. Harold’s destiny is tied to the fate of the kingdom… (publisher)

Saddened because they have left one of their number in a grave in the wilderness, Harold and his companions continue their journey to the dreaded underground palace of Hrad Spein. There, knowing that armies of warriors and wizards before them have failed, they must fight legions of untold, mysterious powers before they can complete their quest for the magic horn that will save their beloved land from The Nameless One. But before they can even reach their goal, they must overcome all manner of obstacles, fight many battles…and evade the frightful enemies on their trail. (Goodreads)

After centuries of calm, the Nameless One is stirring.

An army is gathering; thousands of giants, ogres, and other creatures are joining forces from all across the Desolate Lands, united, for the first time in history, under one, black banner. By the spring, or perhaps sooner, the Nameless One and his forces will be at the walls of the great city of Avendoom.

Unless Shadow Harold, master thief, can find some way to stop them.

Epic fantasy at its best, Shadow Prowler is the first in a trilogy that follows Shadow Harold on his quest for a magic Horn that will restore peace to the Kingdom of Siala. Harold will be accompanied on his quest by an Elfin princess, Miralissa, her elfin escort, and ten Wild Hearts, the most experienced and dangerous fighters in their world.and by the king’s court jester (who may be more than he seems – or less). (Goodreads)