Batman: Arkham Origins - Black Mask Challenge Pack(2013)

Take on Gotham City's most notorious criminal kingpin in the Black Mask Challenge Pack. Unlock two all-new Black Mask-themed challenge maps: Lot Full and Hidden Facility. Play as either Batman or Deathstroke and show Black Mask who really runs Gotham! Note: To play as Deathstroke, you must own the Deathstroke Challenge Pack.