Browse the rules by chapter

54 rules

Name ▲ Page Description Chapter
Game Mastering 483Chapter 10: Game MasteringGame Mastering
Planning a Campaign 483A Pathfinder game is typically structured as a campaign—a serialized story that focuses on a single party of characters.Game Mastering
Campaign Length 483The length of a campaign can range from a few sessions to many years. Two main factors determine campaign length: how much time you need to complete the story, and how much time players want to devote to the game.Game Mastering
Themes 484The themes you choose for your campaign are what distinguish it from other campaigns.Game Mastering
A Welcoming Environment 485The role of Game Master comes with the responsibility of ensuring you and the rest of the players have a rewarding, fun time during the game.Game Mastering
Character Creation 486At the outset of a new campaign, the players will create new player characters. Part of that process involves you introducing what the campaign will be about and what types of characters are most appropriate.Game Mastering
Preparing an Adventure 486An adventure is a self-contained collection of story elements, characters, and settings that become the basis for the story you and the other players tell. Think of the adventure as an outline for your own story.Game Mastering
Published Adventures 486Prewritten adventures include background information and nonplayer characters needed for the story, plus all the locations, maps, and monster groups necessary for both exploration and encounters.Game Mastering
Creating Adventures 487Building your own adventure is much more challenging than using a published one, but it lets you express yourself, be even more creative, and tailor the game directly to the players and their characters.Game Mastering
Building Encounters 488The most common type of encounter is a combat encounter, where the PCs face other creatures.Game Mastering
Running a Game Session 489A campaign happens over a series of sessions. Each session is usually several hours long, with multiple encounters, some exploration, and possibly downtime.Game Mastering
Running a Session 490During a session, you’re in charge of keeping the game’s action moving, managing the different modes of play, fielding questions, and making rules decisions.Game Mastering
Adjudicating the Rules 491As the GM, you are responsible for solving any rules disputes. Remember that keeping your game moving is more important than being 100% correct.Game Mastering
Pathfinder Society 492Organized play campaigns allow you to play in and run games all over the world with persistent characters. If you want to play Pathfinder this way, you can do so through the Pathfinder Society Roleplaying Guild!Game Mastering
Running Modes of Play 493Pathfinder sessions are divided into three different modes of play: encounters, exploration, and downtime.Game Mastering
Encounters 493Encounter mode is the most structured mode of play, and you’ll mostly be following the rules presented in Chapter 9 to run this mode.Game Mastering
Choosing Adversaries’ Actions 493Players often coordinate and plan to be as efficient as possible, but their adversaries might not. As the GM, you’re roleplaying these foes, and you decide their tactics.Game Mastering
Bypassed Encounters 493What happens if you’ve planned a fight or challenge and the PCs find a way to avoid it entirely? This could leave them behind in XP or cause them to miss important information or treasure.Game Mastering
Ending Encounters 494A combat encounter typically ends when all the creatures on one side are killed or knocked unconscious. Once this happens, you can stop acting in initiative order.Game Mastering
Social Encounters 494Most conversations play best as free-form roleplaying, with maybe one or two checks for social skills involved.Game Mastering
Exploration 496Exploration mode is intentionally less regimented than encounters. As a result, during exploration you’ll be making judgment calls on just about everything that happens.Game Mastering
Exploration Activities 496In exploration mode, each player who wants to do something beyond just traveling chooses an exploration activity for their character.Game Mastering
Adverse Terrain and Weather 497Exploration gets slower when the party faces dense jungles, deep snow, sandstorms, extreme heat, or similar difficult conditions. You decide how much these factors impact the characters’ progress.Game Mastering
Rolling Initiative 498Transitioning from exploration to an encounter usually involves rolling for initiative.Game Mastering
Resting 499Characters require 8 hours of sleep each day. Though resting typically happens at night, a group gains the same benefits for resting during the day.Game Mastering
Downtime 500In downtime, you can sum up the important events of a whole day with just one roll. Use this mode when the characters return home or otherwise aren’t adventuring.Game Mastering
Playing Out a Downtime Day 500At the start of a given day of downtime, have all the players declare what their characters are trying to accomplish that day.Game Mastering
Longer Periods of Downtime 501Running downtime during a long time off—like several weeks, months, or even years—can be more challenging.Game Mastering
Retraining 502The retraining rules on page 481 allow a player to change some character choices, but they rely on you to decide whether the retraining requires a teacher, how long it takes, if it has any associated costs, and if the…Game Mastering
Difficulty Classes 503As the Game Master, it’s up to you to set the difficulty classes (DCs) for checks that don’t use a predefined DC.Game Mastering
Simple DCs 503Sometimes you need to quickly set a Difficulty Class. The easiest method is to select a simple DC from Table 10–4 by estimating which proficiency rank best matches the task (that rank is usually not required to succeed…Game Mastering
Level-Based DCs 503When you’re determining a skill DC based on something that has a level, use Table 10–5 to set the DC. Find the level of the subject, and assign the corresponding DC.Game Mastering
Adjusting Difficulty 503You might decide a DC should differ from the baseline, whether to account for PCs’ areas of expertise or to represent the rarity of spells or items.Game Mastering
Minimum Proficiency 504Sometimes succeeding at a particular task requires a character to have a specific proficiency rank in addition to a success on the check.Game Mastering
Specific Actions 504Several parts of this book, most notably Chapter 4: Skills, state that you as the GM set the DCs for certain checks or determine other parameters. Here are guidelines for the most common tasks.Game Mastering
Rewards 507In Pathfinder, player characters can receive three kinds of rewards for their heroic deeds: Hero Points, which they can use to get out of sticky situations; Experience Points, which they’ll use to level up; and…Game Mastering
Hero Points 507Unlike Experience Points and treasure, which stay with a character, Hero Points are granted and used on a per-session basis. At the start of a game session, you give out 1 Hero Point to each player character.Game Mastering
Experience Points 507As characters adventure, they earn Experience Points (XP). These awards come from achieving goals, completing social encounters, exploring new places, fighting monsters, overcoming hazards, and other sorts of deeds.Game Mastering
Treasure 508As the GM, it’s your job to distribute treasure to the player characters.Game Mastering
Treasure by Level 508Table 10–9: Party Treasure by Level on the next page shows how much treasure you should give out over the course of a level for a group of four PCs.Game Mastering
Treasure and Rarity 509Giving out uncommon and rare items and formulas can get players more interested in treasure. It’s best to introduce uncommon items as a reward fairly regularly but rare items only occasionally.Game Mastering
Different Item Levels 510The levels listed for items on Table 10–9: Party Treasure by Level aren’t set in stone. You can provide items of slightly higher or lower level as long as you take into account the value of the items you hand out.Game Mastering
Treasure for New Characters 510When your new campaign starts at a higher level, a new player joins an existing group, or a current player’s character dies and they need a new one, your campaign will have one or more PCs who don’t start at 1st level.Game Mastering
Environment 512Primarily used during exploration, environment rules bring the locales your party travels through to life.Game Mastering
Mountain 513Mountain environments also include hills, which share many aspects of mountains, though not their more extreme features. The most common disasters here are avalanches.Game Mastering
Urban 514Urban environments include open city spaces as well as buildings. The building information in this section also applies to ruins and constructed dungeons.Game Mastering
Climate 517Weather is more than just set dressing to establish mood—it has mechanical effects you can combine with environmental components to create a more memorable encounter.Game Mastering
Natural Disasters 518Climate and environmental features can be a hindrance or long-term threat, but natural disasters represent acute danger, especially to those directly exposed to their fury.Game Mastering
Hazards 520Dungeons are rife with devious traps meant to protect the treasures within. These range from mechanical devices that shoot darts or drop heavy blocks to magic runes that explode into bursts of flame.Game Mastering
Detecting a Hazard 520Every hazard has a trigger of some kind that sets its dangers in motion.Game Mastering
Triggering a Hazard 520If the group fails to detect a hazard and the hazard’s trigger is a standard part of traveling (such as stepping on a floor plate or moving through a magical sensor while walking), the hazard’s reaction occurs.Game Mastering
Disabling a Hazard 521The most versatile method for deactivating traps is the Disable a Device action of the Thievery skill, though most mechanical traps can also simply be smashed, and magical traps can usually be counteracted.Game Mastering
Hazard Experience 521Characters gain Experience Points for overcoming a hazard, whether they disable it, avoid it, or simply endure its attacks. If they trigger the same hazard later on, they don’t gain XP for the hazard again.Game Mastering
Hazard Format 522Hazards are presented in a stat block format similar to those used for monsters. A few notes regarding the format follow the sample stat block.Game Mastering