after beeting sse go to the stage (ruins) not out of the ruins (ruins) and go to the part in the stage when your going down a elevator and purple spikes are coming out of the walls.
after a few spikes you'll see a door Don't go in it!!!!!
Pass the door and keep going down..
when you get to the bottom you'll see a door floating go into it and you'll find wolf challenge him and Win!!!
Then you'll have wolf!
