Player Guide: Volume 3 (Levels 5-7)

Volume 3 takes you underwater, puts you against enemies way above your level, and asks you to investigate a mystery. The new mechanics here are environmental: how water changes combat, how hazards work, and what to do when the boss is genuinely too strong to fight head-on.

Underwater Combat

You will fight underwater. It changes everything. Here are the rules you need to know.

Movement

Without a swim Speed: You must use Athletics (Swim) to move. Each Swim action moves you up to half your land Speed on a success. On a failure, you don't move. On a critical failure, you lose actions.
With a swim Speed: You move normally using your swim Speed. Some ancestries, spells, or items grant this.
Three-dimensional: Combat is no longer flat. Enemies can be above, below, and around you. Positioning matters in ways it doesn't on land.

Combat Penalties

Condition	Effect
No swim Speed	You are off-guard (-2 AC) and take -2 to melee attack rolls
Ranged attacks	Automatically miss beyond the first range increment
Fire damage	Halved underwater
Electricity damage	Works normally, but harms the attacker too if they are in the water
Bludgeoning/slashing	Work normally
Piercing	Works normally (spears and tridents are your friends)

Breathing

If you can't breathe water, you need a plan. Options include:

Spells (water breathing effects)
Equipment (rebreathers, environmental suits from the tech items compendium)
Holding your breath: You can hold your breath for a number of rounds equal to 5 + your Constitution modifier. After that, you start suffocating.

Bottom line: Get a swim Speed or magical breathing if you can. Fighting off-guard with halved movement is brutal. Talk to your GM about available equipment before this volume starts.

Environmental Hazards

Volume 3 introduces hazards that aren't creatures and can't be killed with a sword. The ocean itself is dangerous.

Hazard Types

Passive hazards deal damage or conditions automatically when you enter or start your turn in their area (crushing pressure, toxic water, strong currents).
Reactive hazards trigger when you do something specific (disturb a coral formation, step on a pressure plate).
Complex hazards act on their own initiative like a creature (a collapsing structure, a whirlpool).

Dealing with Hazards

Action	Skill	What It Does
Identify	Perception, Nature, Arcana	Learn what the hazard does before you walk into it
Avoid	Acrobatics, Athletics, Stealth	Navigate around without triggering it
Disable	Crafting, Thievery	Shut it down (complex hazards may need multiple successes)

Not every hazard needs to be disabled. Sometimes the right answer is to go around, or to accept the damage and move quickly.

Fighting Above Your Level

You will face at least one enemy significantly higher level than your party. In PF2E, level differences are not suggestions. A creature 3-4 levels above you has higher AC, higher attack bonuses, higher save DCs, and more HP. This is a fight where retreat is a legitimate tactical option.

What "Severe" and "Extreme" Encounters Mean

Encounter Type	What It Means
Moderate	Fair fight. You'll spend resources but should win.
Severe	Hard fight. Expect someone to go down. Resource-intensive.
Extreme	Someone might die. Not all encounters are meant to be won through direct combat.

Tactics for Hard Fights

Buff before engaging. Demoralize, Bon Mot, Aid, and buff spells matter more than ever. A +1 or -1 is enormous when the DC gap is already tight.
Focus on conditions. Frightened, off-guard, prone, clumsy: stack them to reduce the enemy's effectiveness.
Use the environment. Chokepoints, cover, difficult terrain. Don't fight on their terms.
Retreat is valid. PF2E does not assume you win every fight. Consider whether the objective requires killing the boss or just surviving long enough to accomplish your goal.
Accept help. If friendly NPCs are available, take their assistance. Look for environmental advantages (lure it into a hazard, collapse a tunnel). This is not a solo sport.

Investigation and Clue Gathering

Volume 3 involves finding a missing person and uncovering what's happening on a remote world. This means investigation, not just combat.

Key Investigation Skills

Skill	What It Does	Action Cost
Recall Knowledge	Learn facts (Lore, Arcana, Nature, Society, Occultism)	1 action
Perception	Notice hidden things, spot liars (Sense Motive vs. Deception DC)	1 action or passive
Gather Information	Canvass an area for leads (Diplomacy)	2+ hours downtime

The important part: No single clue tells the whole story. Share what your characters learn with the table. If something seems suspicious, investigate it proactively. Don't wait for the GM to spell it out.

Leveling Up: What Changes at Levels 5-7

Level 6

Class feat: Your third class feat. Some classes unlock powerful new options at this level.
Skill feat: Your third skill feat.

Level 7

General feat: Another general feat.
Skill increase: Another skill to Expert, or push one from Expert to Master (if your class allows it at this level). Master proficiency (+6 + level) makes you genuinely exceptional at that skill.
Class features: Several classes get notable features at Level 7. Check your progression.

The Practical Impact

Levels 5-7 is where characters go from "competent" to "capable." Your ability boosts from Level 5 are fully online, you have a defined specialty, and spellcasters access 3rd-4th rank spells. The flip side: enemies scale too. Moderate encounters at Level 7 involve creatures that would have been boss fights at Level 3.

Quick Reference Card: Underwater Combat

UNDERWATER COMBAT:
  No swim Speed → off-guard (-2 AC) + -2 melee attacks
  Ranged attacks → auto-miss past 1st range increment
  Fire damage → halved
  Electricity → normal but hits you too if in water

MOVEMENT:
  Without swim Speed: Athletics (Swim), half Speed on success
  With swim Speed: move normally, 3D positioning

BREATHING:
  Hold breath = 5 + CON modifier rounds
  After that: suffocation (dying)
  Plan ahead: rebreathers, spells, or ancestral abilities

BOSS FIGHT CHECKLIST:
  [ ] Can we win, or is the goal something else?
  [ ] Stack buffs: Demoralize, Aid, spells
  [ ] Use environment: cover, hazards, chokepoints
  [ ] Accept NPC help if offered
  [ ] Retreat is always an option

Last Updated: 2026-04-09