A generation before the events of World of Warcraft begin… Cunning, sinister, and seemingly unstoppable, the demonic Burning Legion prepare to launch their long-awaited assault on the mortal world. Survival is a matter of strategy, as the Reign of Chaos begins. Command mysterious Night Elves, insidious Undead, savage Orcs, and noble Humans as alliances shift and cultures clash in ruthless conflict. Expand your world with the Warcraft World Editor. Design custom 3D maps and create missions with scripts for units, spells, event triggers, and more.