In the explosive finale to the arkham series batman faces the ultimate threat against the city he is sworn to protect'. '.strtoupper('t')he scarecrow returns to unite an impressive roster of super villains including penguin two face and harley quinn to destroy the dark knight forever'. '.strtoupper('b')atman arkham knight introduces rocksteady's uniquely designed version of the batmobile which is drivable for the first time in the franchise'. '.strtoupper('t')he addition of this legendary ve