An illustration of the album cover for "Thy Whirlwind", depicting an aerial view of swirling clouds and wind, with dark fantasy elements. The title is written in elegant script at the top left corner. A small figure flying through the cloud patterns symbolizes being caught up by strong winds. Earth tones dominate, with hints of green or brown to suggest natural scenery. In the background, faint outlines of mountains can be seen. Stylish artwork in the style of medieval art, oil painting.