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This article is about the unit in Age of Empires II. For the unit in Age of Mythology, see Onager (Age of Mythology).
Onager
OnagerIcon
Unit Info
Type Siege Unit
Introduced In KingsIcon The Age of Kings
Civilization See description
Age Imperial-age-research Imperial Age
Trained At Siege-workshop-logo Siege Workshop
Training Time 46 seconds
Training Cost
Wood 160
Gold 135
Stats
Hit Points 60
Attack 50 melee
Attack Bonuses +45 vs Building
+12 vs Siege Weapon
Blast Radius 1.25
Rate of Fire 6
Frame Delay 0
Range 8
Minimum Range 3
Accuracy 100%
Projectile Speed 3.5
Melee Armor 0
Pierce Armor 7
Armor Classes Siege Weapon
Speed 0.6
Line of Sight 10
Unit Evolution
Upgraded From MangonelIcon Mangonel
Upgrades To SiegeOnagerIcon Siege Onager
Upgrade Cost Siege-onager-research 1450 Food, 1000 Gold
Upgrade Time 150 seconds

"Stronger than Mangonel. Wheeled siege weapon used to attack a small mass of units."

Age of Empires II description

The Onager is a ranged siege unit in Age of Empires II that can be trained at the Siege Workshop once the Imperial Age is reached. It is primarily used against large groups of enemies. Its high attack and splash damage make it a powerful unit, especially against archers and slow-moving units. Its main offsets are its projectile speed, minimum range, and tendency to harm friendly units caught in its blast. Onagers can attack ground and kill trees.

Onagers are available to all civilizations except for the Huns and Turks.

Tactics Edit

Onagers are devastating against archers and slow-moving units, but cannot defend themselves against most melee units. Therefore, they need to be guarded in most situations. Archers are often used, because own melee units are usually endangered by the own Onagers. But archers don't cover the Onager's main weakness adequately, which is cavalry. Therefore, Onagers are also often paired with Halberdiers. That combination is especially prominent with the Celts and Slavs.

Onagers are very effective against naval units. The AI will often send out Onagers as a shore defense to protect its buildings.

Since The Forgotten, Onagers are able to cut down trees, making them valuable in maps with large areas of forests like Black Forest by enabling to the player to attack from behind a forest.

Further Statistics Edit

Unit Strengths and Weaknesses
Strong vs. Buildings, Villagers, archers
Weak vs. Melee units especially Magyar Huszars and other melee cavalry, Mangudai, Woad Raiders, Condottieri, Eagle Warriors, Bombard Cannons
Upgrades
Hit Points Furor Celtica (Celts only)
Attack Siege Engineers (increases attack against buildings), Chemistry, Torsion Engines (Ethiopians only, increases the blast damage radius)
Range Siege Engineers, Shinkichon (Koreans only)
Armor Ironclad (Teutons only)
Movement Speed Drill (Mongols only)
Conversion Defense Faith, Heresy
Upgrades Onagers can be upgraded to Siege Onagers

Civilization Bonuses Edit

  • Aztecs: Onagers are created 15% faster.
  • Burmese: Researching Faith is 50% cheaper.
  • Celts: Onagers fire 25% faster. Onagers can convert herdables even if enemy units are next to them.
  • Chinese: Technologies that benefit Onagers are 20% cheaper.
  • Portuguese: Onagers cost 15% less gold.
  • Slavs: Onagers are 15% cheaper.

Team Bonuses Edit

Changelog Edit

The Age of Kings Edit

  • Onagers move at a speed of 0.5.

The Conquerors Edit

The Forgotten Edit

Trivia Edit

  • Before The Forgotten, researching Chemistry had a negative effect on the Onager's projectile speed, lowering it from 3.5 to 2.9.

History Edit

The onager was an improvement of the mangonel; it was larger, more powerful, and hurled a heavier payload for greater distance.

In reality, the Onager was invented long before the Mangonel by the Ancient Romans. The Onager is credited as being the first Torsion Spring or "Petraria Arcatinus"-type catapult, as all catapults before that are called Ballista and/or Scorpions.

Gallery Edit

Unit Evolution: Mangonel
MangonelIcon Mangonel --> OnagerIcon Onager --> SiegeOnagerIcon Siege Onager

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