Rise of The Samurai is an, independent campaign for Total War: Shogun 2.

Set 400 years before the dramatic civil war depicted in SHOGUN 2, the "Rise of The Samurai" campaign is based on the Gempei War, a conflict between six legendary clans of the Taira, Minamoto and Fujiwara families. It culminated in the first Shogunate, and the rise of the Samurai as the ruling class.