Raizo (Rain) is one of the most feared assassins in the world. Taken from the streets as a child, was trained by the Ozunu clan - a secret group whose existence is itself considered a legend - to be a master assassin. However, the summary execution of his friend makes Raizo turns against the group, waiting for the moment of revenge.
Agreed, you'll need a lot of good choreography around the arts of ninjustu and good weapon animation if you want your entry to do justice to the movie.
