The Railbenders are an enemy in are a collective group of enemies who made their debut in Cactus McCoy 2: The Ruins of Calavera.
Are they ironclad men or steam-powered machines? It is a long running mystery aboard the Southwind Express. Several years before Cactus McCoy, the Southwind was hijacked by these riveted bandits. Ever since, the train has been continuously traveling between whistle stops while transporting undisclosed cargo. No one can stop the Railbenders or their renegade train.