Players return to war-ravaged Azeroth months after the defeat of the Burning Legion, to face a new threat. Warcraft III: The Frozen Throne Free Download Warcraft 3 expansion pack, detailing more of the story as new factions arise, and old heroes are transformed. Warcraft III: The Frozen Throne is the official expansion pack to Warcraft III: Reign of Chaos, a real-time strategy computer game.