In the Halls of the Mage-King (2012)

From the rear cover:

... before your eyes, a room materializes as sand through an hour glass. But you have a feeling of uncertainty as to where the chamber actually exists. Valen'cya herself seemed to fall into the deepest depths of fear during your battle, just before ... just before all went black. And now, she is gone, but the heat of her wrath remains behind.

Through an open window, you see that your group stands in a chamber, high atop the tallest spire of a castle. At the feet of the castle lay a sprawling port city. Huge it is, yet, oddly quiet, and dark, deserted it seems to be. And then, a disembodied voice chants quietly, and purposefully, but from what direction you cannot tell ...