Martial Heroes, last known as Project S during its initial Closed Beta, is going into a new Closed Beta phase on 23rd March. Known as Seven Souls in Korea, the game is touted as an “adult” MMORPG over there. This is most likely due to the blood and graphical gore graphics during PvP, but I am not sure if its toned down for the North American version. Head on over to the official website below for more details.
A trailer from the Korean version.