Building Overview Technologies Game Strategies History
The Redoubt is the fourth and final Fort-type building, upgraded from Fortress at the Modern Age Modern Age once Military Military 6 (Nation-in-Arms) is researched.

When upgraded from the Fortress, the Redoubt gains +900 hit points, +1 armor, +1 range, +2 maximum garrison power, +2 LOS and +20 Metal Metal plunder value. With the Engineering technology from the Lumber Mill, the Redoubt gets a maximum of 5980 hit points. That, along with the highest armor of all structures, makes the Redoubt a quite durable structure.

For general information on Fort-type buildings, see Forts.