In 581, the green dragon Graag'vahriz united the Graagvrii, trolls, Aggorath, and a few petty holdings of some dragons into a confederacy.
Lum Trumgol Mir is sited in the wetlands around a stretch of Kesk Lein to the southern coasts of Krein Jusk. This empire claims the western tracts of Por Trumgol starting from the banks of Zal Rath.
Numerous dikes and canals maze through the empire's territory. In times of war, the military opens the sluice gates, inundating areas around their holdings.
In 729, the empire added the Mir'piamauza ruin Berrobess to their holdings.