Characters - Ninja

Dark Ninja claims to be part of a mysterious organization that is after Metal Gear ARMS. With mysterious and supernatural powers, this honorable sword fighter can bend light waves to make himself disappear. Unknown to the Black Solitaire, Dark Ninja watches over the Black Solitaire and makes sure nothing stops or delays them from finishing the machine. After the Black Solitaire are finish with production, he is planning to steal ARMS and claim it as his own.

Not much else is known of the ninja.