Stiles looks back when he hears Peter's words and nods. The creature is dead under him so Stiles drops the knife for the moment and roots through his bag for a few empty containers he brought along to carry what they're taking back. He pulls out a pair of pliers as well and starts pulling out sharp teeth, dropping them into a container. Then claws are the next to go, pulling them free and dropping them into the container as well.

After he moves down and starts to skin a few chunks of scales from the mermaid, dropping them into a second container. He doesn't stop until the container is nearly packed full, the scales are rather powerful, mystically speaking, so the more they have the better. After a few moments of thinking, he cuts some chunks of hair as well, banding them together before shoving them into the container with the scales.

As he's putting everything away he gives one more glance to the mermaid and moves to the end of the tail, chopping off the tailfin as well. It's shimmery and translucent, beautiful really. He wraps it up in some cloth before tucking it away with the rest of their bounty before moving to join Peter.

"C'mon, let's go. I'm frickin' freezing," he grouses, though he's also rather... turned on as well. He's not really sure how he feels about that. And, besides, he wants to leave before the poison dissolves and the other mermaids come back.