he Four Horns are commissioned by the Society of Lost Relics to track down a lost Tome entitled The Chronicles of the Dwarves, thought to have been buried with its author somewhere in the ruins of of Ondur. The Horns travel to Ondur, cutting through the Valley of Lost Souls. They slay many undead, discover more about the cult that Thivran belonged to, and save a Dwarve named Dringol from the captivity of cultists. The Four Horns learn that the ruins of Ondur have recently become inhabited by a cult of Thyrn dedicated to a fallen Lich-Lord named Genocron. The cultists have been kidnapping, converting and sacrificing local villagers. The Horns confront Father Durrand, a former devotee of Ilendriol from Hidroth Lea who betrayed and murdered several of his brethren for the sake of Genocron. They slay him and release several prisoners of the cult. They then manage to locate Mier’elithog’s sarcophagus and discover his lost Tome. Afterward they confront Erusha, the Gnoll High Priestess of the cult. Erusha in defeated, but before she dies, she tells the Horns that Genocron is about to be reborn. The Horns return to Hidroth Lea to deliver The Chronicles of the Dwarves to the Society of Lost Relics and tell the clergy of the threat of Genocron’s rising, which if true, they discover, would be a very bad thing.