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.
Ranged Armor Technology 3/3

Angled Surfaces

Rus
Increase the ranged armor of all non-siege units by +1.
Available in the Imperial Age (IV)

Researched at

Costs
150
350
1:00

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.