Thank you! I originally wrote it for Dungeon Crawl Classics but later ran a version in 5E and finally repurposed it for CoV. I'm actually running it again in my current CoV campaign in the next few weeks.
Here's the version I did for 5E. https://geekrampage.blogspot.com/2018/05/snakes-head-cave-side-quest-for-tomb-of...