Sorceress of the Witch World (Witch World #6)

I summon your banner." With these words, Kaththea the sorceress called forth a power such as no longer existed on the distant planet know as the Witch World. It was a power so great that it could destroy all that she loved best-and might even prove to be a greater evil than the Shadow itself. Yet there could be no other choice for Kaththea than to call on Hilarion in the Death-Naming. For she was a witch deprived of power and she needed a guide to regain her lost skills and her lost world. There was only this ancient one, the opener of gates, with force mighty enough....SORCERESS OF THE WITCH WORLD completes and rounds out Andre Norton's fabulous series.