Originally Posted by DarkGardevoir
beat them at their own game. Litterally. If you can fight the gym using only Pokemon of the gym type, using your opponent rules, and specifying that the challenge is for the gym, and win, you get the gym. If you lose, you can never challenge that leader for the gym again.
Can you challenge it if the Leader changes, or is it if you lose, you can never challenge that gym ever again?