Pathfinder First Edition
Core Rulebook, 2nd PrintingBest For
Groups who want long fantasy campaigns centered on detailed character development and tactical grid combat.
Core Mechanic
Most uncertain actions roll a d20, add relevant modifiers, and compare the total with a target or opposing result. Difficulty Class, Armor Class, and Combat Maneuver Defense are common targets; natural 1s and 20s can override some comparisons.
The core check uses a d20 total against a target number. Characters layer class features onto prerequisite-driven choices, while prepared spellcasters also manage spell preparation. Combat rules and equipment interact with those character options across twenty levels. Players and GMs benefit from substantial rules study before higher-level play.
- Free to tryFull core rulesLegally free as an SRD, PDF, or official web rules
- Get it nowAvailable nowFree to download or read online
- ✓IndexFind any rule by page number
- ✓GM guidanceA chapter on how to run the game
- ✓Examples of playRules shown in action at the table
- ✓Quick referenceCheat sheet or summary tables
- ✓Cross-referencesRules point to each other by page
5 of 5 book tools found in the core book
Highlights
Eleven core classes progress through twenty levels with interlocking feat and class choices that support specialized builds. Combat makes positioning and turn timing consequential through attacks of opportunity and combat maneuvers. Prepared and spontaneous spellcasting draw from hundreds of level-gated spells, giving magical classes distinct planning and resource cycles.
Considerations
Character creation and advancement require cross-checking large option catalogs and prerequisites, which can front-load decision making. Combat combines situational modifiers with nested action and exception rules, which can slow adjudication. High-level play layers additional character abilities and magical options, increasing preparation for players and GMs.
Rules license Open Game License 1.0a
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