Bummer. The attack is to stand facing the book and holding down the psychic button, the book should glow blue and the poltergeist should light up. If you don't hold the button, you have to activate the book five times.
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Thanks for giving it another shot. Yeah, unfortunately you can't stand on the book. Spamming it can make it go faster, but it stills uses the energy, but can be done about twice as fast. I didn't fix it, and a few other bugs, because I thought other things were more important and ran out of time. Will fix it up after the voting is over.