Total War: Rome 2's latest faction reveal is the Iceni
The lasted faction reveal for Total War: Rome 2 is the Iceni. These fellas are a "violent tribe from the south of Britain," sporting body-paint and they are "renowned for their use of highly maneuverable chariots in battle." A screenshot of the faction is below, and more information on the faction can be found through the Total War: Rome 2 wiki. Only four more factions to be revealed, again, if the wiki is any indication. The game is expected sometime in 2013 for PC.