Work in Progress: The Knights Templar and House of Lancaster civilizations aren't fully updated and miss stats, abilities and upgrades.
Explorer will continue to be updated over the next few weeks for both old and new civs.
Siege Technology

Greek Fire Projectiles

Byzantines
Counterweight Trebuchets deal +30% increased damage and engulf their target with Greek Fire, dealing area damage. Greek Fire does not stack with other patches.
Available in the Imperial Age (IV)

Byzantines is part of the Sultans Ascend expansion

Get it on Steam Xbox MS Store

Researched at

Siege Workshop

Patch History

Season Seven Update

Greek Fire Projectiles help-text now mentions that patches of Greek Fire can’t stack.

Season Six Update

Greek Fire Projectiles technology no longer applies to non-Trebuchet units.

Costs
100
250
1:00

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