When the water comes, it's in a glass as clear as the fluid inside it. Zack stares into it for a bit, then examines it through the wall of the glass. Then he takes a long swallow, and ends up draining the glass without pausing for breath.

“Clean,” he confirms, wiping his mouth on his sleeve. “Tastes good. How do you do reading then?”

Without giving Esther time to reply, he adds, “do all mortals make that noise?” On hearing her stomach rumble.