So, what’s the issue with Unicorns?” “Imagine a cat,” Rose said. “Not just a cat, but a cat that is such a cat, other cats come to it for cat lessons. Take a thousand cats, refine them down to a single drop of pure essence of cat, and make a whole cat out of the stuff.” I shivered. “Ewww. And that’s a Unicorn?” “No,” she said. “That’s an Elf. A Unicorn is a thousand times worse. An Elf you can reason with.