Defense of the Ancients (DotA) is a mod for Warcraft III: Reign of Chaos and Warcraft III: The Frozen Throne. Based on the Aeon of Strife map for StarCraft, it has players attacking and defending ‘Ancients’, heavily guarded structures on opposite sides of the map with their powerful heroes, assisted by allied heroes and AI fighters.
- Heroes | Sentinels and Scourge, divided by attributes (Strength, Agility, Intelligence), with as many as twenty Heroes in each category.
- Items | Divided into eleven categories: Protectorate, Arcane Sanctum, Supportive Vestments, Ancient Weaponry, Enchanted Artifacts, Gateway Relics, Cache of Quel-Thelan, Ancient of Wonders, Sena the Accessorizor, Weapon Dealer, and Leragas the Vile.
- Day and Night | Time passes for each in 12 minute cycles.
- Unit Types | Heroes, Normal Units, and Neutral Creeps.