Muradin Bronzebeard is a Dwarven Mountain King in the Warcraft universe. He trained Arthas in the use of many weapons in his youth. He is the brother of Magni Bronzebeard, the Dwarven King of Khaz Modan. He also founded the Explorer's Guild. He is one of the main characters in the Human campaign in Warcraft III. When Prince Arthas sets foot on Northrend, he comes across Muradin and his group of explorers. Muradin aids Arthas in finding the cursed sword Frostmourne. However the power unleashed by the sword led to Muradin's demise.