
Heavy garrison and defensible position. Can be upgraded with weaponry. Adds additional attacks while garrisoned.
Returns Villagers garrisoned in this structure back to their previous task or location.
Traders and Trade Ships near Keeps receive +30% move speed and +8 armor for 20 seconds.
Increases damage of defensive structures by 20%.
Blacksmith
Ranged Damage Technology
Increase the ranged damage of all arrows, bolts, and emplacements by +1.
Istanbul Observatory
Court Architects: Patronage of the finest builders increases all building health by +30%.
Incendiary Arrows: Flammable munitions grant non-gunpowder ranged units a siege arrow or bolt when attacking buildings and increase their damage by +20%.
Keep
Boiling Oil: Towers and Keeps gain a boiling oil attack against nearby units that deals 30 damage.
Springald Emplacement: Add a defensive springald emplacement to this structure.