It’s rare for an expansion pack to not only match the quality of the original game but to actively redefine it. Most expansions feel like a "level pack"—more of the same, just slightly harder. Then, in the summer of 2003, Blizzard Entertainment released Warcraft III: The Frozen Throne .
Blizzard included a "World Editor" with Reign of Chaos , but they supercharged it in The Frozen Throne . They added triggers, custom UI functions, and the ability to import custom models and sounds. This turned the game from an RTS into a platform. warcraft iii: the frozen throne
If you want to understand why modern PvP games feel the way they do—why we care about "ults," why we "kite" and "juke," why we love a villain's origin story—you have to go back to the frozen wastes of Northrend. It’s rare for an expansion pack to not