"Must've been some silver bullet," Derek comments thoughtfully. Something like that makes sense, except that he'd heard that they were indestructible. "Anyway, okay well that's good. I guess on the up side, you've got a little break from that madness, then."

He pauses. It's sort of weird to talk to her like an acquaintance rather than family, but he hadn't grown up knowing she was family. "...you're staying for a while, right?" he asks.