Well, it's a distraction, at least. He gives Donnie a flat look. "I can't, because I'm not an alchemist and like I just told you, magic doesn't exist in my world."

Aura is easier, at least, and his expression relaxes into something more neutral. "Aura is energy generated in a fairy's aural center and also by the planet. We can use it to power alchemy, and it's also what gives fairies their wings. I'm a red aura, so mine are red." They're a plain, boring white, but the red glow outlining them is what's important here.