Finding a legal PDF of the 3.5 version (Necromancer Games) is currently difficult due to a 2021 controversy involving Judges Guild. : Most major digital retailers, including DriveThruRPG
In this article, we will explore the history of the dungeon, why the 3.5 conversion matters, how to find the legal PDF, and how to run this masterpiece in your modern campaign. caverns of thracia 3.5 pdf