Once researched, the range of all units that fires a projectile increases by one point, with the exception of siege weapons and siege ships. Villagers also benefit from this upgrade as it increases their ability to gather and collect wood. The player also gains the ability to upgrade a Ballista to a Helepolis. This is the last woodworking technology available from the Market.
|Age of Empires|
|Tool Age||Woodworking · Stone Mining · Gold Mining · Domestication|
|Bronze Age||Artisanship · Wheel · Plow|
|Iron Age||Craftsmanship · Siegecraft · Coinage · Irrigation|