His heart is still pounding even after he shuts the car door and he looks down at his scraped palms and his dirt-stained clothes as Lara starts the engine. He takes a few deep breaths, clutching at his bag as he glances over his shoulder to watch the retreating mist and sighs with cautious relief.

"Distance," he says, nodding in agreement. "Distance would be good. Have you ever seen that kind of thing before? It's like it was watching us, like it knew we were coming."