As you traverse the perilous maze of the Iron Keep, you might assume you've already encountered the worst of what the vile structure has to offer. However, you have yet to meet the monarch of this fortress. The form of the Old Iron King, murdered in the last moments of his empire, is not as it once was. His corpse has instead transformed into that of Ichorous Earth, and his soul has been forever possessed by the great evil from within the flames. Will you be the one to extinguish this ancient king?