
Available for 20 civilizations
Powerful siege engine effective at destroying buildings and walls over a great distance.
Heals nearby out of combat units by 6 every 1 seconds.
Within 7.5 tiles of Abbey of Kings
Siege Directive
A focus on upcoming siege warfare is needed, siege weapons gain +20% bonus damage values and are field-constructed +50% faster.
Archery Range
Synchronized Shot: Unlocks the Synchronized Shot ability for Yeomen.
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.
High Armory
Siege Crew Training: Setup and teardown speed of Mangonels, Trebuchets, and Bombards is instant.
King's College
Military Tactics Training: Advanced Military Tactics increase your troops' overall effectiveness in battle, improving their bonus damage by +20%.
Experience from building larger trebuchets increases their range by +2 and health by +50%.
Lancaster Castle
Madrasa
Siege Works: New carpentry techniques increase the health of siege units by +20%.
Manor
Scutage: The Lord of Lancaster levies a tax on all vassals to fund war efforts. Manors generate 30 gold per minute.
Siege Workshop
University
Counterweight Defenses: All Trebuchet weapons gain +1 additional projectiles.
Varangian Arsenal
Siege Technology
Other
Siege Crews: Allows all siege engines to be garrisoned by infantry. While garrisoned, attack and setup speed is increased by +25%.
When 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
When 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
Siege units near the Castle gain +10% damage and +1 tiles range.
Within 15 tiles of Castle, Castle of the Crow
Nearby units gain a permanent healing buff. The healing buff will heal the unit when out of combat by 4 health every 6 seconds.
Within 8.5 tiles of Ryokan
Muster the Nobles: Levy 5 Demilancers.
Shire Levy: Levy 12 Yeomen.
Exact Militia Program: Levy 10 Demilancers, 10 Earl's Guards, and 10 Yeomen.
Greased Axles: Increase the movement speed of siege engines by +15%.
Geometry: Increase damage of Trebuchets by +20%.
Siege Carpentry: Upon completion, siege units gain access to the Structural Reinforcements ability. Siege units gain +20 melee armor and +5 fire armor for 10 seconds.
Greek Fire Projectiles: Counterweight Trebuchets deal +30% increased damage and engulf their target with Greek Fire, dealing area damage. Greek Fire does not stack with other patches.
Shattering Projectiles: Trebuchet projectiles shatter on impact, increasing their area of effect.
Prolonged Siege: Siege units will deal 10% additional damage for every 10 seconds they are set up - to a maximum of 50%.
Increase the health of all siege units by 5%.