[ And true to his word, he pulls the knife away from his arm, placing it down on the table as he pulls a bandage from a pouch he keeps on his belt. He'd learned early that Peter liked to isolate people, see what they'd do when trapped, whether it was turn on each other or simply die slowly. So he kept some supplies, including a folded pat of herbal salve. He'll start applying it and wrapping his arm with a snarl up at the sky.]

Then perhaps you should make your hints more helpful, you damnable fiend!

[ While he's doing that, he looks to Peter.]

That means it was the walls. The knife with the walls. Or... perhaps with the die?