The Ninja outfit's special ability includes unique moves and increased damage for the following swords: Katana, Magician Sword, Broadsword and Laser Sword. Also, your presence around zombies is reduced, as if you were always in the shadows. Ninja Boots - Located in the Man's Sports store, in the Uranus Zone, on the floor in the back. Ninja Clothes - Kill 1,337 zombies (Elite Killer trophy/achievement) Ninja Hood - In Royal Flush Plaza second level hidden room (one where you jump on phone booth, climb ledge, go forward climb ledge, turn around jump onto flower box, and then to another ledge). Climb through one of the windows on that ledge. Ninja Mask - Outside of Shoal Night Club in Yucatan Casino (Up the escalator and instead of turning left to enter the club, go right and jump over the counter). It is on a Mannequin. It's by the entrance, to the right of the door where you fight the twins.