You drove another nail into the wooden beam, the shock vibrating up your arm. The scent of fresh-cut pine and earth mingled with the ever-present whisper of wind through the empty spaces where walls would be.

Across from you, Reiner worked in methodical silence. His sleeves were rolled to his elbows, revealing forearms corded with muscle and the faint, faded lines of old scars. His brow was furrowed in concentration, jaw tight.