
Available for 19 civilizations
Fires multiple projectiles dealing damage in an area.
Weapons
Heals nearby units.
Within 5 tiles of Town Center, Keep, Town Center
Heals nearby out of combat units by 6 every 1 seconds.
Within 7.5 tiles of Abbey of Kings
When enemies are nearby, this building sounds an alarm, causing nearby units to get a +30% increase to attack speed.
Siege Directive
A focus on upcoming siege warfare is needed, siege weapons gain +20% bonus damage values and are field-constructed +50% faster.
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 Works (Improved): New carpentry techniques increase the health of siege engines by +30%. If Siege Works has already been researched, increase their health by +10% instead.
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%.
Lancaster Castle
Madrasa
Siege Works: New carpentry techniques increase the health of siege units by +20%.
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%.
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
All units near an Outpost gain +0.5 move speed
Within 12.5 tiles of Fortified Outpost
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%.
Adjustable Crossbars: Increases Mangonel range by +1, blast radius by +75%, and adds +1 projectile to attacks.
Prolonged Siege: Siege units will deal 10% additional damage for every 10 seconds they are set up - to a maximum of 50%.
Greased Axles (Improved): Increase the movement speed of siege engines by +25%. If Greased Axles has already been researched, increase it by +10% instead.
Increase the health of all siege units by 5%.