Magnus paused in the middle of his hiding -- in the middle of having his hands in front of his face. Usually, he assumed that when there was some Darrow afoot, he couldn't do anything to stop it. But if Biffy thought he could influence the situation at all, he would help, of course.

"Be there in a flash," he told Biffy, before waving the call to an end. He called Alec over and explained what little of the situation that he knew, then teleported himself to the farmhouse.

"So what's this-- Oh. Biffy," he called from outside, deadpan. "There's a dragon hanging out of your house."