Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-5.43.85.181-20130901165254/@comment-13965604-20130905135905

Because now he can kill Scott to become alpha instead of losing more family to do it? Plus he is more likely to manipulate Derek to being his beta, as we have seen him manipulate him before, and Derek would have a lt of sway over Isaac sticking around after. So, kill Derek and be an Alpha with no pack, or kill alpha Scott and have at least one, but probably two, ready made betas, plus whatever the decide to do with Cora. She may or may not count as a fourth. But if he killed Derek they would none would ever side with him, and go with Scott