He's one kind of person, you're another. When life is going along normally, you're almost the same. But when life turns strange, suddenly, you're different people entirely.
We all know Shining Armor. But we don't know Katyla, or Solar Shadow. Katyla Sparkle has a need in her. A need for power. And she finds that need when she meets the most despicable pony in Equestria: King Sombra.