Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-24398707-20140108214859/@comment-24398707-20140110162522

193.12.36.212 wrote: How, i don't rememmber, van someone explain how Derek became a beta? He used a dangerous healing technique that Peter told him about to save Cora. He saved her life but gave up his alpha spark in the process, making him a beta again