"Dude, that's almost the scariest ability of all," Marco said, grinning. "The scariest being the ability to transform into a gym teacher."

He shrugged at Sirius. "It just comes with the morphing," he said, keeping any explanations vague. "But hey, I don't need to worry about a stick when I'm morphed. I can do plenty of exploring." And with that he started morphing again, but this time to bat. For a cavern like this, it was the best morph.

Somehow he'd ended up forgetting that he hadn't actually wanted to come exploring at all in the first place.