The Horse Archer is a fast archery unit with strong attack strength and range. The Horse Archer can be upgraded to the Heavy Horse Archer. Other mounted archery units include the Chariot Archer and Elephant Archer.
Researching Nobility increases hit points. Researching Alchemy increases attack strength. Ballistics increases accuracy. Leather Armor, Scale Armor, and Chain Mail increase armor. Woodworking, Artisanship, and Craftsmanship increase range.