Event on Colossal Cavern

As you enter the cavern, the temperature drops a good 20 degrees and there is a definite bite to the air. As you begin to survey the area, a wealthy, but worried looking orc approaches. "Oh Mighty One," he pleads, "Deliver us from the Frost Wizard Snowmane and we shall open our mines to you. Our warrens will swell your ranks, provided you can free them from Snowmane's skeletal army."