Produced by
Weapons
Heals nearby units.
Within 5 tiles of Keep
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.
Madrasa
Siege Works: New carpentry techniques increase the health of siege units by +20%.
Greased Axles: Increase the movement speed of siege engines by +15%.
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.
Roller Shutter Triggers: Increases Springald attack speed by +30% and grants +10% Ranged Resistance.