Samurai Warriors 2 Xtreme Legends is an expansion which adds 6 new Playable Characters it allows for characters to be trained up to Level 70 instead of 50 and bodyguards can now be trained up to Level 30 when it was only 20 before.
Also a Mercenary Mode was added which players have to fight in smaller battles but a lot more of them are needed to be fought compared to the normal Story Mode.
Video