The Imperius tribe is one of the 11 tribes. They are one of the original four free tribes in the game, the others being .Bardur, Xin-Xi, and Oumaji. They start off with the Organization technology. They are based off of Greco-Roman culture.
In-game description:"Huge mountains and green valleys. The climate in Imperia is perfect for growing fruit."
- Fruit: Apples
- Land: Green fields
- Forests: Tall, thin, cypress trees
- Animals: Black horse
- Mountains: Same shape as Bardur, gray and snow-capped
- Cities: White stone with blue, Greek domes
- Helmet: Gold Greco-Roman style helmet
- Color: Blue