Lan Xichen flashes a smile at Shen Yuan before promptly joining him, landing as graceful and light footed as a heron in a flurry of blue and white silk right beside him.

"One down and about twenty to go," he says. He's about to suggest a bit of a race when he hears a distant rumble.

He casts a look over his shoulder and pales, the city once more beginning to shuffle.

"Quickly," he urges, gripping Shen Yuan's forearm. "Jump with me!"