Prince Muradin Bronzebeard is the younger brother of King Magni Bronzebeard, ruler of Khaz Modan, and the older brother of the famous explorer Brann Bronzebeard. He was the dwarven ambassador to Lordaeron and taught Prince Arthas Menethil how to fight after encountering him hitting an ancient armor.
In addition to his ambassadorial duties, he was also one of the founding members of the Explorer's League and explored the world. He became fascinated with the northern continent of Northrend, often returning. During one such expedition, he was in search for the runeblade Frostmourne.