When you get to A DARK AND STORMY NIGHT PART 3, you will see the mastermind come out of nowhere. Then, the Black Night will also appear. What you have to do is to make sure that the Thuder cloud is close to where the Dark Night is stnding, then when you have lined them up, press the button that the tunder cloud AND the Dark Night are by. The tunder cloud will shock the Dark Night! But then, the button will break, and the Dark Night will start throwing axes at you! Do the same thing 3 more times and you will beat the Dark Night!