Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-15951496-20130821035731/@comment-15951496-20130821164224

"Deaton explains that Scott, Stiles and Allison will serve as surrogate sacrifices for their parents. The plan means the three friends will be dead for a few seconds before Deaton brings them back. Their deaths will supercharge the Nemeton and that will attract supernatural creatures to Beacon Hills. When Stiles points out that it doesn’t sound any worse than what they've already endured, Deaton says “you’d be surprised at what you've yet to see.”

Deaton also says dying will take a personal toll on the trio. They will be left with a permanent “darkness around their hearts” which Scott likens to a tattoo." From the Teen Wolf episode page Alpha Pact

No they didn't know where it was, they had a vague feeling, Isaac found it by hearing the ultrasonic emmiter. Which means that if a werewolf had just started looking  along the currents 16 hours ago they probably would have found the parents and they wouldn't have had to activate the Nemetron. When they awoke they had 4 hours to find the Nemetron and it apparently took them that whole time, so no I don't think it was all that helpful. Also, Deaton said that their sacrifice would would serve as "surrogates" for Jennifer's sacrifice of the guardians, that is why they had to pay the price of "blackness" around their hearts and risk possibly dying. I think either Deaton isn't very smart and doesn't really know what the heck he is talking about or he is purposefully being misleading. Why is it that he is never around "to help" until things get really bad?