The Solimancers: Book 1 of the Duranaya Appraisal

Twice a century, the world of Duranaya grows new surfaces from the top of its mountain, casting old ones into darkness and forcing a constant upward migration its peoples. But there are those who live in the pitch-black Undersurface ... and they march to conquer the sunlit world, commandeering the magic that once contained them.

In the midst of the invasion, Whissen, a monk afflicted with a mind divided by magic, crosses paths with Reph, a huntress with a criminal past. They have little in ...