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GM Core

From PathfinderWiki
Pathfinder GM Core
Cover Image
Book - Core
Rule set
November 15, 2023
November 15, 2023
Special Edition Hardcover
November 15, 2023
Pocket Edition Softcover
February 28, 2024
Hardcover (Sketch cover)
March 14, 2024
See also: GM Core Book Tabs

GM Core, a Pathfinder Roleplaying Game Second Edition core rulebook by Logan Bonner and Mark Seifter, was released on November 15, 2023. GM Core and the simultaneous release Player Core are the first two books in the product line to be licensed under the Open RPG Creative (ORC) license as part of the Pathfinder Second Edition Remaster Project.

Player Core and GM Core succeeded the Pathfinder Second Edition Core Rulebook as the primary reference works for the Pathfinder Roleplaying Game.

Unleash your imagination, creating worlds and stories beyond measure with the new Pathfinder GM Core for Pathfinder Second Edition! This comprehensive 336-page hardcover rulebook gives Game Masters everything they need to craft thrilling tales of adventure, from a single-night’s dungeon delve to complex epics spanning years. Within these pages you'll find clear guidelines for creating new hazards and monsters, tools to design challenging, balanced encounters, and rules for rewarding characters for the dastardly challenges you array before them! Pathfinder GM Core also contains a dragon's hoard of magic items and treasure to entice and reward your players, from simple healing potions to magic weapons and armor and legendary artifacts, including dozens of brand-new items!

Pathfinder GM Core is the second core rulebook for the fully remastered Pathfinder Second Edition RPG! These rules are compatible with previous Pathfinder Second Edition rulebooks, incorporating comprehensive errata and rules updates and some of the best additions from later books into new, easier-to-access volumes with new presentations inspired by years of player feedback. Along with the Player Core, Monster Core, and Player Core 2, these books provide a new foundation for the future of tabletop gaming!

Pathfinder GM Core includes:

  • The rules needed to run a game of Pathfinder, including guidelines for creating challenging encounters, determining success, and giving out rewards.
  • Advice aimed at making you an incredible Game Master, along with tools to ensure you and everyone else at your table has a safe and enjoyable experience.
  • Guidelines to help you create your own content, from campaigns and adventures to hazards and monsters.
  • Rules subsystems to help you handle a wide array of game situations, including rules for chases, duels, research, infiltration, and more!
  • A guide to the world of Lost Omens, with a look at several important regions, an examination of the peoples and cultures of the world, and a glimpse into what lies beyond the veil of the universe!
  • Fully integrated errata from the first 4 years of Pathfinder Second Edition, including improvements to staves and talismans and all-new apex magic items!
  • Published under the new Open RPG Creative (ORC) license, giving players and Game Masters even more freedom for making their own creations based on Pathfinder Second Edition.


pp. 4–5
Running the Game
pp. 6–61
  • Introduction
  • Special Considerations
  • Running Encounters
  • Running Exploration
  • Running Downtime
  • Difficulty Classes
  • Rewards
Building Games
pp. 62–141
  • Introduction
  • Campaign Structure
  • Adventure Design
  • Encounter Design
  • Variant Rules
  • Afflictions
  • Environment
  • Hazards
  • Building Hazards
  • Building Creatures
  • Building Items
  • Building Worlds
Age of Lost Omens
pp. 142–181
  • Introduction
  • Regions
  • Cultures
  • Creatures
  • Religion
  • Factions
  • Nations
  • Settlements
  • The Planes
pp. 182–217
  • Introduction
  • Victory Points
  • Influence
  • Research
  • Chases
  • Infiltration
  • Reputation
  • Duels
  • Leadership
  • Hexploration
  • Vehicles
Treasure Trove
pp. 218–319
  • Using Items
  • Armor & Armaments
  • Alchemy
  • Materials
  • Momentary Magic
  • Trappings of Power
  • Gems & Art Objects
  • Artifacts
  • Intelligent Items
  • Cursed Items
  • Relics
Treasure Table
pp. 320–325
Glossary and Index
pp. 326–336