Sam swallows thickly, his fingers brushing against hers as the ring settles on the weight of his palm.

"For what?" he asks, his voice surprisingly low.

As far as Sam is concerned, he didn't do much. At least, not as much as he'd have liked to. Bela was the one that came to him with an answer. His research skills and dogged determination alone wouldn't have been enough to save Dean.

To save her.