The prop Frostmourne in the game World of Warcraft
Frostmourne is a weapon in the Warcraft series of games, infused with the power of the Lich King Ner'zhul, and is the Cursed Sword. In Dota and Warcraft, Frostmourne has the same origin, but its attributes are different. The Frostmourne in D&D's template is a powerful evil artifact forged by demons with the power of the Lich King.
