Caverns of the Dryad Queen is a Mork Borg one-shot where adventurers are forced to enter the lair of one long since removed from the ending of the world. The down-side is you choose between choking pestilence or certain death. The upshot, well this is Mork Borg after all.
Free to download and supported through donations. Enjoy! https://hackrpg.itch.io/caverns-of-the-dryad-queen