The druid Lirg grows up burdened with a daunting task. Long ago, the Mist transformed the icy kingdom of the Sinterung into a muddy wasteland, forcing its people to flee to the peaks of the Umbra Mountains.

Forgotten by the rest of the world, they endure in the warrior fortress of Fastig, awaiting the fulfillment of a fragmented prophecy: as the bearer of the magical Cube, Lirg is destined to summon the ice back and lead the Ice Clans home