A ninja was a type of Japanese warrior trained in the stealth arts. Most ninjas belonged to, and received training from, a ninja clan. The primary weapons of the ninjas encountered in No One Lives Forever 2: A Spy in H.A.R.M.'s Way are Katanas and the thrown Shuriken.
Ninjas can be work for various organizations (such as H.A.R.M.) on a variety of different mission types (usually assassination). There have also been battles between the various clans.
Known Ninja ClansEdit
Ninja on Wikipedia