Introduction
This is the Pathfinder 2e Remastered GM hub: the place to connect GM Core procedures to the rest of the game. A PF2e GM is not just balancing monsters. You are choosing the procedure that makes the current scene fair, tense, and readable: encounter budget, skill DC, hazard, treasure, exploration mode, influence scene, reputation shift, research clock, chase, Hero Point award, or campaign variant.
Use this with rules, combat, skills, equipment, classes, archetypes, monsters, Monster Core 2, Treasure Vault, Guns & Gears, Dark Archive, mythic, Battlecry, and Lost Omens World Guide.
GM Guide Map
| Guide | Use it for |
|---|---|
| Encounter Building Guide | XP budgets, creature levels, party size, encounter roles, terrain, hazards, and encounter objectives. |
| Adjusting Encounters for Party Size | Small parties, large parties, absent players, companions, summons, and action economy pressure. |
| Hazard Creation Guide | Simple hazards, complex hazards, detection, disabling, haunts, traps, and fair danger signaling. |
| Treasure by Level Guide | Party treasure, permanent items, consumables, runes, formulas, scrolls, access, and wealth pacing. |
| Initiative and Exploration Mode Guide | Exploration activities, scouting, Avoid Notice, Search, encounter starts, and pacing. |
| Skill Check DCs for GMs | Simple DCs, level-based DCs, difficulty adjustments, secret checks, and fair adjudication. |
| Social Encounters Guide | Influence, reputation, NPC leverage, roleplay stakes, social DCs, and consequences. |
| GM Subsystems Guide | Victory points, influence, research, chases, infiltration, reputation, duels, leadership, hexploration, and vehicles. |
| Hero Points for GMs | Award pacing, session rhythm, heroic recovery, rerolls, table tone, and fair distribution. |
| Session Zero Guide | Tone, safety, rarity, variants, party roles, treasure expectations, and campaign scope. |
| Custom Monsters Guide | Creature level, role, defenses, attacks, saves, skills, special abilities, and monster math. |
| GM Screen Reference Guide | Fast table reference for DCs, encounters, XP, treasure, conditions, Hero Points, and exploration. |
| Adventure Hooks and Scenario Seeds | Scenario frames, rewards, factions, hazards, mysteries, and campaign-ready setup. |
| Academy Campaigns Guide | Terms, fieldwork, rivals, mentors, research, access, reputation, and academy-centered adventure structure. |
| Environment Rules Guide | Terrain, climate, environmental damage, structures, wilderness, dungeons, travel, and visibility. |
| Technology in Campaigns | Firearms, gadgets, clockworks, vehicles, Automatons, Inventors, Gunslingers, and technology access. |
| Cryptids | Rumors, sightings, witness reports, Dark Archive investigations, and paranormal creature use. |
| Secret Societies and Cults | Hidden organizations, occult cells, influence, research, cult pressure, and faction secrets. |
| War Campaigns Guide | Fronts, morale, supply, commanders, skirmishes, garrisons, sieges, and strategic consequences. |
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Core GM Workflow
| Step | Question | Good answer |
|---|---|---|
| 1 | What is the scene for? | Combat pressure, clue discovery, travel cost, social leverage, resource drain, treasure reward, faction shift, or story reveal. |
| 2 | What player choices should matter? | Skills, spells, class features, ancestry abilities, equipment, exploration activities, preparation, and roleplay leverage. |
| 3 | Which GM Core procedure fits? | Encounter budget, DC, hazard, subsystem, treasure parcel, downtime activity, or exploration mode. |
| 4 | What is at stake? | Damage, time, reputation, access, safety, clues, treasure, NPC trust, or campaign position. |
| 5 | What changes after failure? | A cost appears. Nothing happening is usually the weakest failure result. |
Hot take: "Roll again until it works" is not a procedure. It is a loading screen.
Procedure Cheat Sheet
| Scene problem | Use this |
|---|---|
| Balanced combat danger | Encounter building plus adjusting encounters. |
| Trap, haunt, or environmental danger | Hazards, environment, and Monster Core traits. |
| Unclear skill number | Skill check DCs. |
| Social pressure | Social encounters or subsystems. |
| Treasure pacing | Treasure by level, equipment, and runes. |
| Creature selection | Monsters, stat blocks, creatures by level, and monster families. |
| Heroic pacing | Hero Points. |
| Campaign agreement | Session zero. |
What To Prep First
Prep the pressure, not the novel. For a combat scene, prep budget, terrain, enemy role, objective, and exit. For a social scene, prep NPC motive, leverage, DCs, concessions, and consequences. For a dungeon, prep hazards, doors, clues, movement, light, treasure, and resting pressure. For wilderness, prep weather, navigation, supplies, landmarks, encounters, and what delay costs.
| Session type | Prep first | Do not overprep |
|---|---|---|
| Combat-heavy dungeon | Encounter roles, terrain, hazards, recovery points, treasure | Long boxed text for rooms where nothing changes. |
| Investigation | Clue paths, secret checks, NPC motives, research costs | A single clue gate that stops the session. |
| Social intrigue | NPC goals, leverage, reputation stakes, fallback scenes | Ten NPC speeches with no mechanical pressure. |
| Wilderness travel | Environment, exploration activities, navigation, weather, landmarks | Random rolls that do not change choices. |
| Faction campaign | Access, favors, rivals, consequences, recurring NPCs | Faction names with no table-facing benefits or costs. |
Player Core And Player Core 2 Watchlist
The GM should know enough about the party to make their choices matter. Player Core gives the baseline: exploration activities, skills, spells, conditions, Hero Points, items, death and dying, and the action economy. Player Core 2 expands the party assumptions.
| Player option | GM prep implication |
|---|---|
| Alchemist | Formula access, consumables, persistent damage, weaknesses, poison immunity, item economy. |
| Barbarian | Space, mobility, big melee pressure, enemy discipline, and conditions that do not simply delete the fun. |
| Champion | Allies close enough to protect, enemies with meaningful target choices, and moral stakes. |
| Investigator | Clues before combat, Recall Knowledge, leads, suspects, and scenes where planning changes outcomes. |
| Monk | Movement, verticality, hazards, enemy reach, and objectives beyond standing still. |
| Oracle | Divine themes, curse pressure, recovery pacing, and room for risk/reward play. |
| Sorcerer | Tradition identity, bloodline flavor, spontaneous spell gaps, and signature spell use. |
| Swashbuckler | Panache opportunities, style skills, social scenes, terrain, and mobile enemies. |
Monster Core And Encounter Texture
Monster Core is not just a list of enemies. It is the GM's tool for pressure types: brute, skirmisher, caster, controller, ambusher, troop, hazard-adjacent creature, elite enemy, weak enemy, and environmental threat. Use stat blocks to read what the creature is built to do, then build scenes where that role is visible.
The best encounters usually have at least two of these: terrain, objective, enemy role contrast, hazard, information clue, retreat path, time pressure, or social consequence. If the encounter is only "numbers in a square room," PF2e still works, but you are using the least interesting part of it.
Expanded Source Dials
| Source | GM dial |
|---|---|
| Treasure Vault | More item identity, consumables, formulas, runes, caster gear, alchemy support, and treasure variety. |
| Guns & Gears | Firearms, gadgets, vehicles, clockworks, Automatons, Gunslingers, Inventors, and technology politics. |
| Dark Archive | Thaumaturges, Psychics, cryptids, paranormal mysteries, secret societies, curses, and investigation play. |
| War of Immortals | Animists, Exemplars, mythic rules, divine disruption, mythic monsters, and campaign-scale stakes. |
| Battlecry | Commanders, Guardians, war campaigns, troops, garrisons, battlefield objectives, morale, and supply pressure. |
| Monster Core 2 | More creature variety, encounter themes, monster families, and campaign threat palettes. |
| Lost Omens World Guide | Setting regions, factions, access, cultural context, and story hooks. |
Do not turn every dial at once. "Kitchen sink" is not a campaign tone; it is a grocery accident.
Treasure And Access
PF2e assumes characters receive item progression, especially weapons, armor, runes, scrolls, wands, staves, formulas, and consumables. Treasure is not just reward flavor; it is part of character math and option access. If a Fighter lacks weapon runes, a Wizard lacks scroll access, an Alchemist lacks formulas, or a Champion lacks armor upgrades, the table is not experiencing the expected game.
Use treasure by level, magic items by level, runes, consumables, and Treasure Vault when building reward paths.
Table Communication
PF2e works best when players know the kind of campaign they are building for. Use session zero to cover:
| Topic | Why it matters |
|---|---|
| Rarity and access | Uncommon and rare options need permission and story fit. |
| Source books | Guns, mythic rules, Battlecry warfare, Dark Archive horror, and Lost Omens factions change tone. |
| Difficulty | Severe encounters, death risk, recovery pressure, and tactical expectations should be explicit. |
| Treasure style | Shops, formulas, crafting, downtime, and item access affect build viability. |
| Table tone | Horror, politics, comedy, heroics, war, and divine apocalypse need different safety and pacing expectations. |
Common GM Mistakes
| Mistake | Fix |
|---|---|
| Running only severe fights | Mix threat levels so severe actually means something. |
| Hiding all stakes | Give players enough information to make tactical and story choices. |
| Treating treasure as optional | Item progression is part of PF2e's math. |
| Ignoring exploration activities | Search, Avoid Notice, Scout, Investigate, and travel choices should matter before initiative. |
| Overusing subsystems | Use a subsystem when repeated progress matters. Use a normal check when it does not. |
| Punishing every class feature | Threaten familiars, shields, summons, guns, and rituals when fiction supports it, not because the player invested in them. |
Hot Takes
GM Core is not the referee book. It is the pacing book.
Encounter balance is the floor. Encounter texture is the game.
If treasure, clues, terrain, and consequences do not matter, half the character sheet is being asked to sit quietly.
Related Guides
Start with encounter building, adjusting encounters, skill DCs, treasure by level, hazards, Hero Points, social encounters, subsystems, monsters, and the main PF2e guide hub.
