The 3.5 conversion preserves the original's "Jaquaysing" (a term for multiple interconnecting paths). Do not force players down a corridor. Instead, give them rumors (included in the PDF's player handout section) about the three main entrances: The Sinkhole, The Great Stair, and The Temple Pool.
Create your own GM cheat sheet with:
| Aspect | Original (1979) | 3.5 Fan Conversion | |--------|----------------|---------------------| | AC | Descending | Ascending | | Saving Throws | Poison, Breath, etc. | Fort, Ref, Will | | Monster Stats | HD, special abilities | Full 3.5 stat blocks | | XP | GP for XP (typical) | CR-based XP | | Difficulty | Deadly, old-school | Moderate, balanced for 3.5 |
The Caverns are famous for three factions:
If you manage to acquire a scanned copy of the original map (which is beautifully designed) and a conversion guide, here are three tips for running it:
Search “Caverns of Thracia Necromancer Games PDF” on DriveThruRPG – that’s your best legal 3.5 version.
For free fan content, check Dragonsfoot.org/downloads for “Thracia 3.5” attachments.
Caverns of Thracia is a legendary "megadungeon" adventure originally written by Jennell Jaquays and published by Judges Guild in 1979. It is widely celebrated for its non-linear design and complex faction play. The 3.5 Edition Version
While originally designed for the 1974 "White Box" D&D rules, a major revised edition for D&D 3.5 was published in 2004 by Necromancer Games.
Expanded Scope: The 3.5 version expanded the original 80-page module into a larger "mini-campaign setting" designed for characters of levels 3–8+.
Content: It updated the stat blocks for the d20 system (3.5) and fleshed out the intricate plots and history of the ruins.
Development: This version was based on a 2002 Gen Con tournament adventure titled "Return to the Caverns of Thracia," run by Clark Peterson. PDF Availability
Official PDF access for the 3.5 version is currently limited due to changing licensing rights:
Caverns of Thracia for D&D 3.5 is an expanded update of the 1979 classic, originally published by Necromancer Games in 2004. Designed for characters of level 3 to 8+
, it functions as a mini-campaign setting rather than a standard one-shot module. Setting & Factions
The dungeon is a "living realm" where success depends on navigating the complex relationships between competing factions: The Beastmen : Led by a Minotaur King caverns of thracia 3.5 pdf
, this faction includes gnolls, dog brothers, and lizardmen mercenaries. They aim to dominate the entire complex. The Cult of Thanatos
: Human death-worshippers who control the upper tombs and shrines on Level 1. They are geographically isolated from the deeper beastmen. The Lizardmen
: Descendants of the caverns' original inhabitants, led by a shaman on Level 2. They frequently clash with the beastmen. Dungeon Design Guide
The module is famous for "Jaquaying" (non-linear design), featuring 6 vast levels with over 250 encounter areas: Verticality
: Levels are connected by numerous secret passages, shafts, stairs, and even a chasm on Level 1 that can drop players directly into Level 3. 3.5 Edition Mechanics : Includes the Mark of Thanatos
, a curse where an avatar of the god of death may appear to "escort" heavily wounded players to the afterlife. Key Monsters : Features 125+ monsters, including unique 3.5 stats
for Incarnations of Death (CR 4), Giant Centipedes (CR 1/2), and Gnolls (CR 2). Guide for Running the Campaign Preparation
: The adventure supports a full year of play. DMs should prepare a list of rumors from nearby settlements to provide initial hooks. Dynamic Environment
: Use wandering monster tables frequently; the caverns are meant to feel inhabited by active patrols, not static room-guards.
: Encourage players to interact with the factions. Success often requires playing the death cult against the beastmen or forming alliances with the lizardmen. 3.5 stat blocks for the Minotaur King or his Dog-Brother lieutenants?
The Caverns of Thracia (originally by Jennell Jaquays for Judges Guild in 1979) was officially converted to Dungeons & Dragons 3.5 Edition by Necromancer Games in 2004. Availability Status
The 3.5 PDF: Finding a legitimate retail PDF of the 3.5 edition is currently difficult. It was previously available on DriveThruRPG, but was removed following controversies surrounding the current owners of Judges Guild. Alternative Editions:
Dungeon Crawl Classics (DCC) / 5E: Goodman Games recently completed a massive Kickstarter to release "Legendary Adventure" versions for DCC and 5th Edition.
Original Scans: High-quality scans of the original 1979 booklet exist but have also faced delisting from major storefronts due to licensing and ownership issues. Version Comparison Original (1979) Necromancer Games (3.5) Goodman Games (Modern) System OD&D / AD&D Content The original "Jaquaysed" megadungeon. Expanded with new levels and plots. Massive 400-page hardcover/PDF. Status Out of print (mostly). Out of print. Currently shipping to backers/available. Running the 3.5 Version Level Range: Designed for characters from levels 3 to 8+. Skill DCs : Climb rough walls DC 15,
Structure: Unlike some older "funnel" style dungeons, this is a mini-campaign setting with deep factional intrigue between beastmen, undead, and other underground powers.
Where to find: If you cannot find the PDF on legal digital storefronts, your best bet is searching secondary markets like eBay for physical copies of the Necromancer Games 3.5 book.
Caverns of Thracia is a legendary "megadungeon" adventure originally created by Jennell Jaquays for Judges Guild
in 1979. While the original version was designed for early editions of Dungeons & Dragons, a specific revised edition was developed for the 3.5 System (d20) The 3.5 Revised Edition Necromancer Games
collaborated with Judges Guild to update this classic module for the D&D 3.5 ruleset. Target Levels : Designed for a party of characters from levels 3 to 8 and higher. : Primarily released as a physical book, but digital PDF versions have been hosted on platforms like and formerly on DriveThruRPG.
: The 3.5 version expanded the original room descriptions and stat blocks while maintaining the intricate, non-linear layout that made the original famous. Core Plot & Setting
The adventure is set within the ruins of the ancient city of Thracia, where layers of history have created a complex underground ecosystem. Bones of Contention blog The Conflict
: The caverns are a powder keg of warring factions. The surface is often ruled by a death cult (worshippers of Thanatos), while the depths are home to the Minotaur King and his "beast men" (gnolls, minotaurs, and dog brothers). Lizard Men
: Once the masters of the caverns as a religious center, they now act as untrustworthy allies to the other factions. Why It Is Highly Regarded
The Caverns of Thracia is frequently cited as a masterclass in dungeon design due to its "Jaquaying" technique: Non-Linearity
: Unlike "hallway-room-hallway" dungeons, Thracia features multiple entrances, secret passages, and vertical connections (shafts and pits) that allow players to bypass or flank obstacles. Living World
: The dungeon feels like a functional place with its own internal politics and history rather than a random collection of monsters. Complexity
: It is a true "mini-campaign" setting where the party's choices and alliances significantly impact the outcome. Bones of Contention blog within the caverns or how to the 3.5 stats to a more modern edition like 5E? DCC - The Caverns of Thracia Lost Lore of Thracia - Scribd
Exploring the Depths of Dungeons & Dragons: Caverns of Thracia 3.5 PDF | Aspect | Original (1979) | 3
Are you a fan of Dungeons & Dragons (D&D) and looking for a thrilling adventure module to spice up your gameplay? Look no further than the "Caverns of Thracia 3.5" PDF!
What is Caverns of Thracia?
Caverns of Thracia is a classic D&D adventure module written by famed game designer, J. Eric Holmes. Originally published in 1981 for the earliest versions of D&D, the module has since been updated and adapted for various editions of the game, including the 3.5 edition.
The 3.5 PDF Version
The Caverns of Thracia 3.5 PDF is a digital version of the adventure module, optimized for play in the 3.5 edition of D&D. This version retains the original charm and excitement of the classic module while incorporating updated rules and mechanics.
What to Expect
In Caverns of Thracia, players take on the roles of brave adventurers seeking fortune and glory in the mystical land of Thracia. The module takes place within a vast network of caverns and tunnels, rumored to be filled with ancient treasures, hidden temples, and fearsome creatures.
This adventure is designed for a party of 1st-level characters and is intended to take them on a thrilling journey through the caverns, navigating treacherous terrain, avoiding deadly traps, and battling formidable foes.
Key Features
Why You Should Check It Out
If you're a fan of D&D or just looking for a fun and exciting adventure module, the Caverns of Thracia 3.5 PDF is definitely worth checking out. With its rich setting, engaging storyline, and challenging gameplay, this module is sure to provide hours of entertainment for you and your fellow players.
Get Your Copy
You can find the Caverns of Thracia 3.5 PDF on various online platforms, such as DriveThruRPG, RPGNow, or Amazon. So gather your party, grab your dice, and get ready to explore the depths of Thracia!
Share Your Experiences
If you've played through Caverns of Thracia or have any questions about the module, share your experiences and thoughts in the comments below! What did you think of the adventure? Did you encounter any memorable challenges or NPCs? Let's discuss!