User blog comment:Lord Loss/Monster Appreciation Week: Dire Miralis/@comment-6050823-20131007212021/@comment-5020152-20131007213245

I'm guessing Miralis tainted the Tainted Sea by polluting it with the ash, sulfur, and heat from its fires, thus rendering it a region unfit for life. Which makes Miralis look even more like a creature from that time when Earth was too toxic for life to evolve.