Improve cold steel is a technology in American Conquest that increases the power of melee attacks for certain units by +5, depending on the faction that researched it. This technology is researched at the Town Center. Mayans, Aztecs, Incas, Pueblos, and Sioux are able to research this technology.
|Pikeman||Warrior with staff||Chief|
|Sioux||Mounted Pikeman||Mounted Archer||Mounted Shooter||Chief|