V.       In the hours leading up to dawn, Corvec has seen everything and absolutely nothing.     After I gave a grunt agreeing with his sarcasm implying the difficulty of facing a Toa, and after his responses to a few more of my jabs and prods, he fell silent. At first, he stared up into the night sky, stars dimmed by the moon’s brightness. And then his gaze fell on the passage wall opposite the one we were leaning against, and stuck.     For a moment I was confus