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This article is about the siege weapons in Age of Empires II. For the armor class, see Armor Class: Siege Weapon. For siege weapons in other games of the series, see Siege Unit.

Siege Weapons in Age of Empires II become available in the Castle Age. They are powerful machines that excel at taking town enemy buildings or at battle against massed units. Unit upgrades for siege weapons as well as long-range siege weapons are only available in the Imperial Age.

They are built at the Siege Workshop or Castle. With the exception of Rams, Siege Towers, and Petards, all siege weapons possess a mid-to-long range.

General Information Edit

Like ships, siege weapons cannot be healed by Monks, but have to be repaired by Villagers instead. Repairing siege weapons costs gold.

All siege weapons cost wood and gold, with the lone exception of the Petard, who costs food and gold. Generally speaking, siege units are the most expensive units and take longest to train.

In order to train Bombard Cannons, Chemistry must first be researched.

Siege weapons and Monks are the only units than can initially not be converted. In order to convert siege weapons, Redemption must be researched.

Trebuchets, Onagers (since The Forgotten), and Siege Onagers can kill trees, making them the only units being able to do so, next to, of course, Villagers. That can be of high strategic importance, especially in maps with dense forests, e. g. Black Forest.

All information that follows is current as of patch 5.0.

Categorization Edit

Siege weapons are best divided into two categories: units that main purpose is to destroy buildings and units that excel at combat against enemy infantry and archers.

Anti-building

Anti-unit

Since The African Kingdoms, the Siege Tower cannot attack enemy structures or units and cannot be put in any of the categories above. In The Forgotten, it was able to attack, but its main purpose was still the transport of troops. So even there it does not fit in any of the two categories.

The Bombard Cannon can be put in both categories since it can outrange almost all buildings, but also can be effectively used against enemy units.

Although the two types of units can still fulfill each other’s roles, they are generally ineffective at doing so. For example, while Mangonels are devastating against groups of infantry and can outrange Town Centers, they deal little damage to Castles. Trebuchets, on the other hand, are excellent against fortifications but almost never hit any unit they target - excluding, to some extent, other Trebuchets.

List of Siege Weapons Edit

Marked with yellow background are unique units.

Siege Unit Building A HP At Ar PA Ra ROF LOS Sp F W G TT Ci
BatteringRamIcon Battering Ram Siege W.
Castle-age-reseach
175 2 -3 180 0 5 3 0.5 0 160 75 36 31
CappedRamIcon Capped Ram Siege W.
Imperial-age-research
200 3 -3 190 0 5 3 0.5 0 160 75 36 31
SiegeRamIcon Siege Ram Siege W.
Imperial-age-research
270 4 -3 195 0 5 3 0.6 0 160 75 36 16
MangonelIcon Mangonel Siege W.
Castle-age-reseach
50 40 0 6 7 6 9 0.6 0 160 135 46 31
OnagerIcon Onager Siege W.
Imperial-age-research
60 50 0 7 8 6 10 0.6 0 160 135 46 29
SiegeOnagerIcon Siege Onager Siege W.
Imperial-age-research
70 75 0 8 8 6 10 0.6 0 160 135 46 9
ScorpionIcon Scorpion Siege W.
Castle-age-reseach
40 12 0 7 7 3.6 9 0.65 0 75 75 30 31
HeavyScorpionIcon Heavy Scorpion Siege W.
Imperial-age-research
50 16 0 7 7 3.6 9 0.65 0 75 75 30 20
Siegetowericon Siege Tower Siege W.
Castle-age-reseach
220 0 -2 100 N/A N/A 8 0.8 0 200 160 36 31
BombardCannonIcon Bombard Cannon Siege W.
Imperial-age-research
80 40 2 5 12 6.5 14 0.7 0 225 225 56 19
PetardIcon Petard Castle
Castle-age-reseach
50 25 0 2 0 N/A 4 0.8 65 0 25 25 31
TrebuchetPackedIcon Trebuchet (packed) Castle
Imperial-age-research
150 0 2 8 N/A N/A 19 0.8 0 200 200 50 31
TrebuchetUnpackedIcon Trebuchet (unpacked) Castle
Imperial-age-research
150 200 1 150 16 10 19 0 0 200 200 50 31
OrganGunIcon Organ Gun Castle
Castle-age-reseach
60 16 2 4 7 3.45 9 0.85 0 80 70 21 1
OrganGunIcon Elite Organ Gun Castle
Imperial-age-research
70 20 2 6 7 3.45 9 0.85 0 80 70 21 1
Average N/A N/A 113 33.5 -0.1 58.3 6.1 5.3 9.2 0.63 4.3 139.7 115.3 37.7 26.2

Technologies Edit

Listed below are all technologies that benefit siege weapons. Marked with yellow background are unique technologies. This list does not contain unit upgrades.

Technology Researched at Age Civilization Effect
Siegeengineers Siege Engineers University IV 20 Increases range (except Rams) by +1 and attack against buildings by +20%
Chemistry Chemistry University IV All Increases attack by +1
Heresy Heresy Monastery III 19 Converted machines die instead of changing color
Faith Faith Monastery IV 28 Increases conversion resistance
Conscription Conscription Castle IV All Increases creation speed for Castle units by +33%
CastleAgeUnique Kasbah Castle III Berbers Increases creation speed for Castle units by 25%
Unique-tech Warwolf Castle IV Britons Trebuchets do blast damage
Unique-tech Furor Celtica Castle IV Celts Increases HP of Siege Workshop units by +40%
Unique-tech Rocketry Castle IV Chinese Increases Scorpion attack by +4
Unique-tech Torsion Engines Castle IV Ethiopians Increases blast radius of Siege Workshop units
Unique-tech Kataparuto Castle IV Japanese Trebuchets pack, unpack, and fire faster
Unique-tech Shinkichon Castle IV Koreans Mangonel range increased by +1
Unique-tech Drill Castle IV Mongols Siege Workshop units move faster by +50%
Unique-tech Arquebus Castle IV Portuguese Increases Bombard Cannon accuracy at moving targets
CastleAgeUnique Ironclad Castle III Teutons Increases melee armor by +4
Unique-tech Artillery Castle IV Turks Increases Bombard Cannon range by +2

Civilizations Edit

The Slavs, Celts, and Ethiopians have the best siege weapons due to their civilizations bonuses and unique technologies.

The Ethiopians are the only civilization to have access to all units from the Siege Workshop.

Civilization Bonuses Edit

The following civilizations have bonuses that specifically benefit siege weapons:

Team Bonuses Edit

The following civilizations have bonuses that specifically benefit siege weapons:

Gallery Edit

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