Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-108.199.36.238-20140228062417/@comment-13965604-20140228185202

59.178.185.134 wrote: Also if you revive a beta you dont lose your alpha powers but if you save one's life you lose your alpha status........................shudnt reviving be more difficult and taxing process....why did'nt derek just kill cora and then revive her the same way he revived peter.............Who is the idiot derek or the writers???

There was more to Peter coming back than you're making it out to be. It had to be done on a specific moon. There's also a lot about it we don't know yet.

http://teenwolf.wikia.com/wiki/Party_Guessed

Also, could you really imagine killing your sibling, even if you could bring them back?