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.
Naval Technology

Swivel Cannon

English
Springald Ships gain an additional Cannon which fires in 360 degrees.
Available in the Imperial Age (IV)

Researched at

Patch History

Season Three Update

New technology which adds a Swivel Cannon to the Springald Ship, which deals 15 damage and can fire in 360 degrees

Cost set to 150 Food 350 Gold and 45s to research

Costs
150
350
0:45

Age of Empires IV© Microsoft Corporation. AoE4World.com was created under Microsoft's "Game Content Usage Rules" using assets from Age of Empires IV , and it is not endorsed by or affiliated with Microsoft.