As an Amazon Associate I earn from qualifying purchases.
Chaosium is celebrating the 40th anniversary of its legendary Arthurian tabletop RPG with the upcoming Pendragon Core Rulebook: Magnum Opus Edition. The new limited-edition hardcover features the current 6th edition core rules along with a new leatherette exterior, two interior ribbon bookmarks and a back cover quote from the game’s creator Greg Stafford. You can order it now exclusively from the Chaosium website.
Below, we take a closer look at what’s included in this tribute to one of fantasy TTRPG’s most enduring works.

What is the Pendragon Magnum Opus Edition?
The Pendragon Magnum Opus Edition is a limited-edition version of the current 6th edition Core Rulebook and is designed to celebrate the 40th anniversary of the game that the late Pendragon creator and Chaosium co-founder Greg Stafford considered to be his “magnum opus.” In addition to the base rules, the book also includes.
- Minor errata: This includes a handful of text corrections that have not yet made their way into the current version of the core rules.
- New cover art: The new leatherette cover features original artwork and layout by Polish graphic designer Monika Godyń.
- Gold text back quote: Featuring a poem written by Greg Stafford along with the Chaosium 50th anniversary logo.

How much is the Pendragon Magnum Opus Edition?
The new hardcover currently retails for $90 USD (not including shipping and handling). By contrast the standard hardcover version of the 6th edition Core Rulebook retails for $49.99 USD.
When was the Pendragon Magnum Opus Edition released?
The Pendragon Magnum Opus Edition was officially released on December 11th, 2025. Notably, it is currently only available via the Chaosium website.

Why is the Pendragon Magnum Opus Edition worth picking up?
- A major RPG milestone: The book celebrates 40 years of one of tabletop roleplaying’s most influential narrative works.
- A celebration of an RPG icon: The book is also a celebration of the life and work of designer Greg Stafford.
- A rare collector’s item: If you’re a fan of Pendragon, grabbing the book is a chance to own a piece of the game’s history.
- A table useable book: The book also contains the most current edition of the 6th edition rules (including minor text updates).

Final thoughts
The Pendragon Core Rulebook: Magnum Opus Edition serves as both a tribute of Chaosium’s 50-year history and a tribute to Greg Stafford’s lasting influence on tabletop roleplaying. With new cover art, a leatherette binding and the most complete rules yet, it’s something that will likely appeal to both new and longtime Pendragon fans.
You can order your copy of the book now exclusively from the Chaosium website.
