Résumé: One of Dragonero's old enemies comes back from the Underworld, leading an army of savage familiars. His mission: to retrieve an old stone that's kept in the entrails of a mine. If the stone were to be stolen, the world would become helpless when confronted with a new invasion by the Abominii. Ian, Gmor & Myrva will ask the Mining Dwarves for help, and due to the situation, the Dwarves will finally take up the arms they had laid down several centuries before.