400
15030sPowerful siege engine effective at destroying buildings and walls over a great distance.
Abbey HealingHeals nearby out of combat units by 6 every 1 seconds.
Within 7.5 tiles of Abbey of Kings
Network of CitadelsWhen enemies are nearby, this building sounds an alarm, causing nearby units to get a +30% increase to attack speed.
Within 12.5 tiles of Berkshire Palace, Town Center, Keep, King's Palace, Outpost, Stone Wall Tower, The White Tower, Town Center
Network of CastlesWhen enemies are nearby, this building sounds an alarm, causing nearby units to get a +20% increase to attack speed.
Within 12.5 tiles of Berkshire Palace, Town Center, Keep, King's Palace, Outpost, Stone Wall Tower, The White Tower, Town Center
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Blacksmith
Military Academy: Increase the production speed of infantry, cavalry, siege, and transport units at buildings by 33%. Does not affect religious units or other support units.
Siege Workshop
Greased Axles: Increase the movement speed of siege engines by +15%.
Geometry: Increase damage of Trebuchets by +20%.
Shattering Projectiles: Trebuchet projectiles shatter on impact, increasing their area of effect.
University
Siege Works: New carpentry techniques increase the health of siege units by +20%.
