Four hours is not enough sleep. I don’t want to get out of my blankets when Petra wakes me up. But when I groan and try to roll over, she slaps me across the face. Not hard, but fast enough to sting. Amazing how easily that wakes me up.

We pack camp pretty quickly, and then head straight for the tower. At the base of the tower is a moat, with a raised drawbridge covering the only entrance.

Orion scoffs, something I’d never seen someone do with so much drama, and raises his ...