I didn’t like the original Choking Tower as written for a few reasons the main one being I didn’t like all the oozes and such thematically. It came a cross as a flat dungeon crawl with uninteresting encounters (with a few exceptions like the Robotic Apprentices. So I redid the whole module in for Dungeons and Dragons 5th edition and my party recently finished it. I focused much more on Furkas Xoud‘s affiliation to elemental air and paraelemental smoke. And for your own use (or idea pilfering) here is the updated Choking Tower – D&D 5e – The Choking Tower