It's so hot, even the slave whores can't stand it. Lexi was given the task of making a bathing pit. The work was made difficult by the fact that he was wearing chains and handcuffs. This is how he had to dig into the rocky ground. After Wolf judged the pit deep enough, he placed Lexi in it and ran cold tap water over her. Apparently, Lexi was cold, shivering, and then she was able to lie down on the edge of the pit.