Perfidia - Spontaneous document generation

She tapped her pile of papers with a quick whip of the spade-shaped barb on her tail. Immediately, what was once a few documents of basic information about her client transformed into the stringent typeface of a formal contract, ten pages long, the first nine a standard litany of disclaimers and stipulations. He had not, as she feared, attempted to haggle, so the exact amount to be paid was enshrined on Page 9, Box C.

"Here's your contract. I advise you read it thoroughly, but you won't find anything objectionable. The final page outlines the demands of your wish, and also has the place for you to sign."

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[1] Spirit of Eternal Negation