Requires the base game Total War: SHOGUN 2 in order to play

The Ikko Ikki Clan Pack adds the iconic "warrior monk" clan to Total War: SHOGUN 2 and a wide variety of brand-new content for use across the different game modes of SHOGUN 2.
The Ikko Ikki "warrior monk" Clan

* A new clan for use in single or multiplayer Campaign modes and Custom and Multiplayer Battles
* 8 new unit-variants specific to the Ikko Ikki clan
* New skill trees
* New Ikko Ikki Monk Agent with his own specific skill tree

The Ikko Ikki Clan Pack also includes

* The Warrior Nun unit – can be trained by any clan except the Ikko Ikki
* New Naginata Warrior Monk hero
* New Historical Battle: Nagashima (Ikko Ikki VS Oda)
* Ikko Ikki armour set for Avatar - includes hood, robes and barefoot leg-pieces.
* New Retainers for use in the Avatar Conquest mode.
http://www.totalwar.com/shogun2/ikko-ikki

a więc otrzymaliśmy klan wojowniczych mnichów.