Total War: Shogun 2 - Sengoku Jidai Unit Pack

"The Total War: SHOGUN 2 Sengoku Jidai Unit Pack adds 10 new elite units for use across the different game modes of SHOGUN 2."

The Creative Assembly·Sega·Feral Interactive· July 28, 2011· DLC

The Total War: SHOGUN 2 Sengoku Jidai Unit Pack adds 10 new elite units for use across the different game modes of SHOGUN 2. Once you've purchased the content, you will unlock all 10 of these versatile units in single and multiplayer Campaign mode under the conditions stated below. They will also be available in the Avatar Conquest and single player Battle modes of the game when playing with the appropriate clan.