The Lich King is a central character in the World of Warcraft universe, known for his role as a powerful undead ruler. He wields the cursed sword Frostmourne and commands the Scourge, an army of undead minions. The Lich King is a fusion of the human prince Arthas Menethil and the spirit of the orc shaman Ner'zhul, creating a complex villain with a tragic backstory. As the leader of the Scourge, the Lich King seeks to spread death and domination across the world of Azeroth. His character embodies themes of power, sacrifice, and the consequences of ambition. Players encounter him in various quests and raids, making him one of the most iconic figures in the game's lore.