GM Core
GM Core

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Unleash your imagination, creating worlds and stories beyond measure with the new Pathfinder GM Core for Pathfinder Second Edition! This comprehensive 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.

Pre-order expected November 2023.

Purchasing this digital title unlocks the content in the digital reader on Pathfinder NEXUS, as well as in additional tools as they become available during Early Access.

Table Of Contents


1: Running the Game

  • Introduction
  • Special Considerations
  • Running Encounters
  • Running Exploration
  • Running Downtime
  • Difficulty Classes
  • Rewards

2: Building Games

  • Introduction
  • Campaign Structure
  • Adventure Design
  • Encounter Design
  • Variant Rules
  • Afflictions
  • Environment
  • Hazards
  • Building Hazards
  • Building Creatures
  • Building Items
  • Building Worlds

3: Age of Lost Omens

  • Introduction
  • Regions
  • Cultures
  • Creatures
  • Religion
  • Factions
  • Nations
  • Settlements
  • The Planes

4: Subsystems

  • Introduction
  • Victory Points
  • Influence
  • Research
  • Chases
  • Infiltration
  • Reputation
  • Duels
  • Leadership
  • Hexploration
  • Vehicles

5: Treasure Trove

  • Using Items
  • Armor & Armaments
  • Alchemy
  • Materials
  • Momentary Magic
  • Trappings of Power
  • Gems & Art Objects
  • Artifacts
  • Intelligent Items
  • Cursed Items
  • Relics

Treasure Table

Glossary and Index