Marina woke before dawn.

Not from a dream. Not from a message through the ground channels. She woke because Luna's shadow magic shifted in the shelter ten feet away, the silver-grey frequency moving from the quiet state of sleep to the alert state of waking, and Marina felt the change the way she felt changes in the boundary stones.

She lay still for a moment and let the four frequencies settle around her morning awareness.

They were louder in the first minutes after waking than at any other time. Not painful. Just present at full volume before the conscious mind built the management structure around them that made the day...