Requiring research of Siegecraft from the Market, it is the upgrade of the Catapult, with twice the amount of hit points and larger Area of Effect damage. This makes Heavy Catapults a popular Iron Age unit for bombarding enemy troops and enemy buildings. It is also the only land unit that can knock trees down with its attack damage.
Like all stone throwing heavy siege weapons, Catapults deal 28 bonus damage against buildings (40) after accounting for building armor but only 10 bonus damage against towers (22). Only a certain number of civilizations have the ability to research and train this unit.
Civilizations 
Edit
The Heavy Catapult is an uncommon unit, and can only be trained by:
Upgrades Edit
- Alchemy increases attack by 1.
- Ballistics increases the accuracy.
- Engineering increases the range by 2.
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Civilization bonuses Edit
- Hittites: Heavy Catapults have +50% HP.
- Sumerians: Heavy Catapults have 100% faster rate of fire (same rate of fire as a Ballista).
History Edit
The heavy catapult was a powerful siege weapon, representing the greatest advance in siege weaponry during ancient times. It was employed against fortifications and on the battlefield. It broke down fortification walls, allowing attackers to break in. On the battlefield, smaller missiles could be fired in a shower against dense formations of soldiers to cause casualties and disrupt morale at long range. Enemy armies that could be softened and shaken before the hand-to-hand clash of infantry were at a decided disadvantage.
Gallery Edit
| Units in Age of Empires | |
 Age of Empires | |
|---|---|
| Priest · Villager · Trade Boat · Merchant Ship · Fishing Boat · Fishing Ship · Light Transport · Heavy Transport | |
| Infantry | Clubman · Axeman · Short Swordsman · Broad Swordsman · Long Swordsmen · Legion · Bowman · Improved Bowman · Composite Bowman · Hoplite · Phalanx · Centurion |
| Cavalry | Scout · Cavalry · Heavy Cavalry · Cataphract · Chariot · Chariot Archer · Elephant Archer · Horse Archer · Heavy Horse Archer · War Elephant |
| Siege | Stone Thrower · Catapult · Heavy Catapult · Ballista · Helepolis |
| Navy | Scout Ship · War Galley · Trireme · Catapult Trireme · Juggernaught |
 The Rise of Rome | |
| Armored Elephant · Camel Rider · Fire Galley · Scythe Chariot · Slinger | |
