At this stage you are walking through the city there is no sign of bad guys or killer wolfs.
Suddenly you encounter 6 black killer wolfs to get past them you will have to put them down using the weapons you have . You have 4 ninja stars a black sword and 6 smoke screen.
Once you have deleted them form the game you will have to defeat a boss. This boss has 1500 hp also can punch and charge attack. Once you have beat this boss you will be presented will a black ninja sword. after that there may be something else but you dont know