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Classic Modules Today: The Gates of Firestorm Peak (5e)
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Classic Modules Today: The Gates of Firestorm Peak (5e)


In 1996, TSR published the adventure named “The Gates of Firestorm Peak” for Advanced Dungeons and Dragons 2nd edition. It was written by Bruce Cordell and illustrated by Jeff Easley and Arnie Swekel. It consisted of a 96 page book and cover folder that held 2 double-sided poster maps; one map of the complex and 3 tactical maps. It also came with punch-out counters for use with the tactical maps. "The Gates of Firestorm Peak" was the first adventure to incorporate rules from the AD&D 2nd edition Player's Option(TM) book series, and the first to feature the Far Realm, a Cthulhuian plane of horror and insanity.

This conversion guide allows DMs to run the original module with 5th Edition rules and provides a reference sheet for encounters. It is intended for 5-6 characters of levels 6-8.

To use this conversion guide you will need a copy of "The Gates of Firestorm Peak", originally available in hard-copy and now for sale in Digital format at

"Classic Modules Today: B4 The Lost City" contains the OpenOffice/LibreOffice source files used to create this PDF. Visit for instructions on creating your own classic module conversions and selling them on the DMs Guild.

Classic Modules Today are a series of products that convert early edition Dungeons & Dragons and Advanced Dungeons & Dragons adventure modules to the Dungeons & Dragons 5th edition rule set. They fully adhere to the rules set forth in the Community Content Agreement of the DMsGuild. The CCA states that adventure conversions must be:

"A streamlined, bare-bones conversion guide for someone who already owns the classic adventure — i.e., encounter-by-encounter conversion notes with any 5E stats needed, leaving out all other content."

For more information, download the free guide "Using Classic Modules Today Conversions".

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Reviews (2)
Discussions (4)
Customer avatar
PAUL C May 31, 2021 4:51 am UTC
Hey Mark just picked this up and its awesome. Would you be able to do The Shattered Circle next?
Customer avatar
PAUL C June 01, 2021 5:20 pm UTC
Actually Mark I'd pay good money for a Night Below conversion. Your conversion of Gates is really fantastic!
Customer avatar
Mark S June 02, 2021 7:19 pm UTC
Thanks! There is a Classic Modules Today conversion for Shattered Circle, but not one for Night Below. I have Night Below, so I'll look into it.
Customer avatar
Mark S May 26, 2021 8:23 pm UTC
New updated version uploaded.
Customer avatar
Thomas P May 17, 2021 3:32 pm UTC
Hi there!

The 'Gibbering' power - it's missing from your greater Gibbering Mouther and beyond? Do they not gibber like the CR2s from the MM?

Or am I just being blind? In which case, apologies.
Customer avatar
Mark S May 19, 2021 6:09 pm UTC
I checked my pdf copy and the monster stat block has it listed. If your copy doesn't have it, let me know and I will re-upload the file.
Customer avatar
Corentin P April 13, 2019 6:01 pm UTC
Hi ! I've red it and it's awesome. I recommand the conversions !
I'm now interested to us one of your stats block in one of my "soon to come" product which will be sold here.
DMsGuild seems to allow that : "When re-using a larger element that you have taken from another DMs Guild author’s work, include a reference to the original work by linking to the product page on within your PDF. For example, if you are using a Rainbow Unicorn creature that you found in another author’s work, you might reference that inside your own work where you provide stats for the Rainbow Unicorn the first time, using an internal citation such as, "(Rainbow Unicorn from Cloud Forest by Jane Doe)."
But I would like to know if it's a big problem for you ?. You will be credited of course.
Customer avatar
Mark S April 14, 2019 4:33 pm UTC
Hi Corentin. It is allowed by the DMs Guild and I'm delighted to contribute to another person's work. Use whatever you like, and thank you for the kind words!
Customer avatar
Corentin P April 14, 2019 5:54 pm UTC
Thank you, your work is great help ! When mine will be released, feel free to use what's useful for you.
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File Last Updated:
May 26, 2021
This title was added to our catalog on May 03, 2016.