“We’ll see.” Eve held out a hand. “Needle,” she commanded. “We’re going to take a little sample and see what it does."
She wasn’t gentle extracting Jack’s blood, but she did give the resultant wound a little kiss when she was finished. “You’re going to help me save my children,” she promised. “And then I can give you whatever you need.”
Dean ate his burger as Sam stomped back to the car and got in. “No luck?”
Sam shook his head and dug his own food out of the bag, making a face as he unwrapped it, but eating it anyway.
"There has to be a way we can track him down,” said Dean around a mouthful of food. “A spell, maybe?”
“Yeah, but I thought we weren’t going to touch those. They’re—” Sam stopped, shaking his head.
“You were gonna say ‘dangerous’, weren’t you,” Dean said flatly.
Sam made a face. “…Yeah, I was. Then I remembered that Jack’s part of our family now, and ‘dangerous’ is part and parcel of that. So we’re gonna use it. Remember how Ruby tracked down Lilith…?”
“With a candle and a map, yeah? Do you know how to do it?” Dean rubbed his face. He didn’t like the idea any more than Sam, but his little brother was right; they owed Jack this much at least.