Heavy Catapult
Age: Iron
Prerequisites: Build Town Center, build Barracks, build Archery Range, build Siege Workshop, upgrade to Catapult, research Siegecraft, upgrade to Heavy Catapult.
Upgrade cost: 1800 food, 900 wood
Cost: 180 wood, 80 gold
Hit points: 150 Attack: 60 Armor: – Range: 13 Speed: Slow
Special: Fire rate once/5 seconds; large damage area; minimum range 2.
Upgrade of: Catapult
Build at: Siege Workshop

The Heavy Catapult has many more hit points and more range than the Catapult. You must research Siegecraft before you can upgrade to the Heavy Catapult. Other siege weapons include the Ballista and Helepolis.Siege weapons are used to attack military units, buildings, towers, and walls.Researching Alchemy increases attack strength. Ballistics increases accuracy. Engineering increases range.