Sorry for the delay, but here it is. I ran it again, made some revisions, and translated it back into English (with a bit of copy-pasting from the original text). I may even adapt it to Shadowdark in the near future. It would be a shame to let such a great adventure fade into darkness.
https://www.sebaschirmer.cl/2025/07/the-curse-of-ganshoggr-dragonbane.html