If Cassie hadn't been expecting him to freak out anyway, he would have easily thrown her clean off the roof and into a ravine. As it was, it took both her strength and her ability to fly to hold on as she shout words that would scandalize Jack Frost if he were present.

"Don't you dare throw me off this car!" As if he wasn't clearly trying to do just that. "Do you want to get away from those shadow things or not?!"

If 'friend' didn't work, 'survival' just might.