Produced by
Castle of the Crow AuraSiege units near the Castle gain +10% damage and +1 tiles range.
Within 15 tiles of Castle, Castle of the Crow
Ryokan HealingNearby 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
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Forge
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%.
University
Siege Works: New carpentry techniques increase the health of siege units by +20%.
