Dwarves of Clan Shattered Shield of Citadel Sundbarr flee their mines and workings in the Ice Mountains due to the approuch of a group of renegade dwarves from Citadel Felbarr, believed to be afflicted with a disease known as the slaying slumber. They begin a titanic trek eastward across the High Ice to the kingdom of Dareth. »
The shield dwarves of Clan Shattered Shield arrive in Dareth to find their arctic dwarf cousins beset by the white dragons (and their servitor creatures) of Hoarfaern. They rescue the surviving folk of Dareth and retreat to a lone mountain which they name Mount Sundabar in honor of their home in Delzoun. They commence building a fortress of their own there and elect Embryn Shattered Shield as their king. He leaves his clan to take the name Embryn Dareth. »
The white dragons of Hoarfaern attack Mount Sundabar with potent magic items of unknown, elder origins, shattering the peak and laying waste to the dwarf fortress there (the dwarves of Clan Shattered Shield and Dareth). The surviving dwarves commence guerrilla war against the dragons of Hoarfaern and their servitor creatures. »
The dwarves of Dareth and the white dragons of Hoarfaern destroy each other in a final climactic battle on the broad mountainside now known as Heroes' Height, bringing this dwarf kingdom to an end. »