[Awwwyeah, you already look like a real Pokémon trainer. B) HE IS PROUD OF YOU]

You must first recite the ancient banishing ritual! Only then can you throw the ball at the Nightmare, and trap him for the ages to come!

[Meanwhile, he'll extend his arms towards Haunter and pretend he's containing ALL THIS RAW POWER!!! It's complete bullcrap, of course, but he's a magician. He can't just stand around and do nothing!]