
Increases your maximum Population.
Draft a clear plan for constructing the empire, Buildings gain +8% health and +8% work rate for each adjacent similar building.
Blacksmith
Ranged Damage Technology
Increase the ranged damage of all arrows, bolts, and emplacements by +1.
House of Wisdom
Fertile Crescent: Reduce the cost of Economy buildings and Houses by 30%.
Madrasa
Court Architects: Patronage of the finest builders increases all building health by +30%.