Long before the War of the Brothers, which almost destroyed Dominaria, the world was ruled by countries - creators of amazing mechanisms, majestic cities and powerful artifacts. The Thran civilization was based on the energy of power stones, which bestowed truly superhuman capabilities. But the price for such power was a terrible, incurable disease.

The savior of humanity and other intelligent races of Dominaria was the young doctor Yavgmot, whose healing art was as great as his ambition. The grandiose plans so impressed the population of Dominaria that a significant part of them chose to perish in leper colonies and on the fields of a hopeless war against the tyrant, rather than become part of the new world order.