
Anti-unit siege weapon. Fires bolts that pierce multiple units.
Produced by
Weapons
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: New carpentry techniques increase the health of siege units by +20%.
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.
Siege Workshop
Greased Axles: Increase the movement speed of siege engines by +15%.
Greased Axles (Improved): Increase the movement speed of siege engines by +25%. If Greased Axles has already been researched, increase it by +10% instead.
Roller Shutter Triggers: Increases Springald attack speed by +30% and grants +10% Ranged Resistance.
Roller Shutter Triggers (Improved): Increases Springald attack speed by +35%, grants +10% Ranged Resistance, and increases health by +10. If Roller Shutter Triggers has already been researched, increase attack speed by 10% and health by +10 instead.