Doors - First open the bottom door from spawn room. Buy the next gate after that. Now when in the courtyard turn left and go up the stairs wrapping the building and walk over the bridge to the otherside next to the dragon. Buy the door across from the VMP wall-buy and walk to the back to the stairs. Go up the stairs and buy the door and turn to the next door to the left and buy that. Once you enter that room with the bowie knife the power will be right across from the entrance.