Derek wrapped his arms around his sister and cradled her against his chest. "We'll be prepared this time," he assured her, nuzzling her hair. "We can up our security. Increase patrols. Paul and Jeremy are here now. We're stronger than we've ever been."
He would feel some remorse over using Allison in this way, but in the end, she was an Argent, wasn't she? Wasn't this no more than she deserved? And it wasn't as though they would keep her captive. No, the plan hinged on Allison's willingness to be there. To be with him.
"So, she's staying," he repeated, needing clarification. "As my slave. Like Stiles. And Isaac." That would give him three, to Laura's one. "...are you sure you don't want to keep her for yourself?"