Despite the gravity of the situation, Rory's natural reaction to the jump is a scream not unlike one would make on a rollercoaster, and then adrenaline-fuelled nervous laughter when the trio hits the ground. Once the initial shock of what just happened is done washing over her, she catches herself and her breath.

"Wow, wow, that worked better than I expected," she says grinning, but looks more serious when she glances over at the train. Finally, there's some real distance between them and the monster, only getting bigger by the minute. "What's the plan now? This is a tricky one. At least we got away from it."