At a young age Naruto talks to the kyuubi and feels that he wants to become powerful and they make something work that may out rival many ninja. Well something as in making Naruto become a killer and an assassin. But assassins are powerful and strong. And killers are even more powerful and strong. Read as Naruto wants to become stronger and surprises the hokage as he becomes his right hand assassin and killer. He is known as many names and he knows that he likes his killings to be quick and silent. Of course how wouldn't you be beaten by him a man as deadly as the kyuubi no kitsune as in the world has lost its balance as the next assassin killer arrives from the depths of hell.