Ninjas are little pussy bitches who are too chickentrout to get into an open fight because they know they'd lose. When I played Tenchu and Assassin's Creed I marched around openly getting into fights with everyone because I have honour. That or low patience. Where's the fun in hiding behind a wall for 5 minutes while you wait for a guy to leave when you can stroll up to him and duel him to the death?