Talk:Unleashed/@comment-72.228.155.211-20130625113811/@comment-5322646-20130625130842

He did it to protect him. Deucalion is trying to get Derek to kill off his pack and that seems to be one of his main goals. Issac is in Derek's pack, and Cora isn't in his pack. It would have been easier if Derek told Issac why he was doing it, but he did it because he knows Deucalion is trying to have Derek kill his Betas to get stronger and join the Alpha Pack.