Byzantines

• Cisterns can be toggled to improve influence of unit production speed, research speed, or building defense. Bonuses improve when connected with Aqueducts.
• Field units capable of using various forms of Greek Fire.
• Collect bonus Stone from every building constructed.
• Harvest Olive Oil that is used to produce Mercenary units.
• Produce unique units from other civilizations as Mercenaries from the Mercenary House starting in Feudal Age (II).
• Workers generate Olive Oil from Berry Bushes, Olive Groves, and Fish.
• Traders provide Olive Oil on successful trades.
• Markets can trade Olive Oil.
• Transport Ships temporarily increase the move speed of units when unloading.

Collect a unique resource that is used to hire Mercenary units. Villagers gather Olive Oil equal to 50% of Food gathered from Berry Bushes, 15% from Olive Groves, and 10% from Shore Fish.

Fishing Boats generate Olive Oil equal to 20% of Food from Fish and Traders provide 20% Olive Oil based on the amount being traded.

Purchase contracts or establish control of Trade Posts to recruit unique units from other civilizations with Olive Oil at the Mercenary House.

Cisterns provide nearby Villagers with boosted gather rates and an influence that enhances nearby buildings, improving unit production speed, research speed, or building defense.

Construct an Aqueduct network and connect them to Cisterns to increase its bonus output.

Gather Stone from every building constructed. Building size determines the amount of Stone collected.

Cheirosiphons along with upgraded Dromons and Trebuchets fling Greek Fire with their attacks, engulfing the area in flames for damage over time.

Outposts and Keeps can be upgraded with Mangonel Emplacements. Stone Wall Towers come equipped with Mangonel Emplacements instead of Springalds.

Limitanei: Spearman replacement. Light melee infantry with the Shield Wall ability to increase ranged armor at the cost of move speed.

Varangian Guard: Man-at-Arms replacement. Use the Berserking ability to increase damage at the cost of armor. Can construct Transport Ships and increase armor of transports when garrisoned. Gains increased movement speed when disembarking from Transport Ships.

Cataphract: Knight replacement. Heavy cavalry with Trample, a powerful targeted ability that runs through and damages enemies in its path.

Cheirosiphon: A ram equipped with a short ranged Greek Fire attack.

Dromon: Springald Ship replacement. Equipped with Greek Fire.