There are eyes on me when the rest of the camp is asleep, or during the day when the animals rest. The ancient dwarves who inhabited this place could not have known, as they are deaf to the song of the Fade, but the Veil in the Wastes must have been thin even before the Elder One sundered open the sky.
To that end, watch Corix. Your cousin has grown suspiciously quiet since we arrived. He's also been seen leaving the overseer's camp at night. Say nothing, but follow him the next time he wanders, and report to me.