"Alright then," he says, sounding relieved, shoulders sloping out of their hard line. He is relieved at her iron, her determination - partly because she's no longer crying, admittedly, but mainly because she needs it. "Good."

Not that she has to do it, or that she's been driven to it, but that she's resolved, that she's making herself ready. Where some might balk at the idea of a Midnight coven, Derek considers the witches again in terms of werewolves. Those on their own are loose canons. They might be weaker, but they tend to be the ones causing trouble. Pack means safety, security. However dangerous Midnight witches might be, Derek is sure that they'll have better control in a group.

He glances at her again, perhaps to ensure that she's alright.