Into a Dark Realm: Book Two of the Darkwar Saga

Having successfully prevented a civil war within the Empire of Great Kesh, Pug and his allies in the Conclave of Shadows search for the mad sorcerer Leso Varen in the hopes of destroying the Guild of Assassins, an effort that is challenged by the sorcerer's powerful protectors and a planned invasion by the Dasati. By the author of Flight of the Nighthawks. Reprint.