Ultimate Combat Mod or simply UCM is a mod for Total War Shogun 2 which features many alternatives for combat you can choose from.
Ultime Combat Mod - UCM 0.2RC version, compatible with patch9 (Rise of the Samurai DLC) but without the new modunits from older versions (will come in feature update again). Please delete any older version first. You can read how to install this mod in the FAQ at the forums.