I have a copy of this as well. It's a crazy, crazy module with a doozee of an end with an unnamed Chromatic Dragon.
I've toyed with the idea of updating it for DF, but have too many other responsibilities occupying my time.
Yes, you may use Dicefreaks stuff as long as you clearly indicate where the material was taken from and, if you print or distribute anything, include our link in the correspondance. You will find our demons in the
Demonic Dictionary. Be aware that what you see here is likely to change dramatically as we start putting out
Horrors of The Abyss. The CRs are probably too low for what you're looking for (I believe Baphomet appears in this module, right? Our version's a CR 55), so you may have to scale things down.
Have fun!
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