What is overlord vol 17?

As an AI language model, I don't have access to information about Overlord Volume 17 as it hasn't been released yet. The most recent volume of the light novel series is Overlord Volume 16, which was released in Japan in July 2021. However, Overlord Volume 17 is rumored to be the final volume of the series, but nothing has been confirmed by the author or publisher at this point. Fans of the series are eagerly awaiting more information about the release date and plot details of Volume 17.