
Produces naval units. Automatically repairs nearby damaged naval units. Capable of holding up to three Fishing Ships.
Blacksmith
Melee Damage Technology
Increase the melee damage of all non-siege units by +1.
Melee Armor Technology
Increase the melee armor of all non-siege units by +1.
Ranged Armor Technology
Increase the ranged armor of all non-siege units by +1.
Ranged Damage Technology
Increase the ranged damage of all arrows, bolts, and emplacements by +1.
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.
Military Academy (Improved): Increase the production speed of military and transport units at buildings by 53%. Does not affect religious or other support units. If Military Academy has already been researched, increase production speed by 20% instead.
Biology: Investing in natural sciences increases the health of all cavalry by +25%.
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.
Outpost
Yam Network: Yam speed aura applies to all units instead of just Traders and cavalry units. Does not apply to siege engines.
Ovoo
Court Architects: Patronage of the finest builders increases all building health by +30%.
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.