Kensei

From BoardGameGeek:

Kensei is a Samurai Feudal Medieval Miniature Tabletop Wargame where players take control of one of the 3 factions; Kuge (Court Nobility), Sohei (Warrior Monks) and Buke (Warriors) fighting for supremacy over feudal Japan and for the honor of the Emperor of Himukai. The miniatures are 28 mm and require assemble and painting, requiring some modeling skills. As a wargame, it requires a rulebook, 10-sided dice, scenery, a tape measure, and some tokens as a reminder of actions.