Wandering Engines

Introduced in the movie, the Wandering Engines (Nagare Enjin) were robbed of their hearts and Engine Casts by Maki's magic when they came to Samurai World, assuming human forms. Once in their true forms, they are able to combine into the Samurai World's analog of Engine-O, Engine Daishogun.
 * Engine Retsu-Taka
 * Engine Shishi-no-Shin
 * Engine Tsuki-no-Wa