Pitch had not bothered with a copy of his own key, not knowing such a thing was possible. And, as they had agreed upon, they could switch back if one of them grew bored of such things. He had no way of knowing that another key would arrive that matched this one if he was separated from it, but instead was thinking of a world that had never been inhabited by the Guardians. Nothing to stop him... His lips curled into a smile as the key slid further out of his grip.