The Heroic Age is the third age in Age of Mythology. To advance an Armory must be built and one of two lesser gods must be chosen. The lesser gods available depend on the civilization and major god. More powerful and advanced units, buildings and upgrades become available. There are also new Heroes for the Greeks to train from the Fortress and Town Center.
- Market (Greek, Egyptian, Norse and Atlantean)
- Fortress (Greek), Migdol Stronghold (Egyptian), Hill Fort (Norse), Palace (Atlantean)