Book excerpt: The hordes of the Trichirabi invade the Grim Marches, and Mazael Cravenlock stands in their way. The Trichirabi have come seeking a shard of the Wraithaldr, the most powerful necromantic artifact ever forged. Lucan Mandragon once used the Wraithaldr to summon hordes of the undead, and he is desperate to redeem himself. But the creatures seeking the shard are more than a match for Lucan's power...