"Secrets in the Dark" by Dan Hass (#Dimgaard campaign setting) has the original version. It is an introductory level 1-3 adventure written back in 2015.

https://merricb.com/2015/01/06/dd-5e-adventure-review-secrets-in-the-dark/

https://rpggeek.com/rpgitem/172535/secrets-dark

I have the pdf on my computer but having looked around for it to share a link, it seems its no longer available for sale. At least not anywhere that I could find.

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