### The Broken Marsh
### A Frontier Exploration Framework & Starter Hex
The frontier is not empty.
It is wounded.
Roads still reach this place, but only just.
Beyond the last mile marker, paths drown, vanish, or lie.
Ruins remember what was once reasonable.
Gods linger, distracted or decaying.
Some things listen when they should not.
This is not a world waiting for heroes.
It is a world that survives on misinterpretation,
and punishes certainty faster than ignorance.
In Eldritch Frontiers, players travel dangerous places,
read signs that may be wrong,
and decide how much risk they are willing to carry.
Discovery is never safe.
Power is never free.
Hope is fragile — but real.
Written by: Kyomahr
Version: Year One Release
Compatible with: OSR / 5e / System-Neutral Play
“Where the unknown pushes back.”
---
# HOW THE WORLD WORKS
The world of Eldritch Frontiers is not broken.
It is misaligned.
It has been disturbed by something vast, ancient, or unresolved.
What remains still functions — imperfectly.
The World Is Already Broken
• Systems meant to protect people persist past their usefulness
• Rules are not accidents — they are outcomes
• Cause and effect are misunderstood and costly
• The frontier exists where repair stopped
History Does Not Stay Buried
• Old protections fail unpredictably
• Decay is slow, understandable, and contagious
• Forgotten structures still react when disturbed
• Memory is not knowledge. It is an active force that shapes danger, access, and safety.
Gods and Powers
There are gods — but they are not omnipresent judges.
Some are:
• Distracted by distant concerns
• Damaged by the strain of belief
• Relying on mortal structures to survive
• Older than death, their influence persisting without purpose
Others linger after death, their influence persisting without presence.
Divine attention is uneven and dangerous. Being noticed is not the same as being helped.
Attention Changes Things
In the frontier:
• Repeated actions attract response
• Noise, magic, and disruption escalate consequences
• Some places listen even when no one speaks
Power leaves traces. So does certainty.
Understanding how and when you are noticed is often more important than what you can do. These truths are expressed through pressure, unreliable safety, and systems that respond to attention rather than intent.
---
# WIDENING HORIZONS
Grayfen is not isolated. It is simply the first place where the frontier becomes obvious.
Beyond the marsh, the world grows stranger — not louder.
Nearby Regions
The roads that still reach Grayfen do not all end there.
They thin.
They fracture.
They remember.
Frostspire (North)
• A mountainous, coniferous expanse
• Deathly cold, even in clear seasons
• A vast cavern lies empty where something once nested
Nothing hunts there now. That absence is recent.
The River Delta (Southeast)
• Fed by marsh runoff and mountain snowmelt
• Channels shift unpredictably
• Settlements downstream report losses without cause
The water carries more than silt.
The Fog Plains (South)
• Visibility collapses without warning
• Landmarks drift or repeat
• A broken spire emits signals it cannot control
Messages are sent.
Recipients vary.
Senders are remembered.
The Shape of the Divine
Not every place touches the divine.
When it does:
• Influence replaces presence
• Signs replace commandments
• Attention replaces judgement
Some gods linger without purpose.
Some died and continue to poison what remains.
Others endure — diminished, distracted, or changed.
Being noticed is not a blessing.
What Expands, What Doesn’t
As players move outward:
• Geography expands
• Consequences compound
• Understanding fragments
What does not expand:
• Safety
• Certainty
• Mercy
The frontier does not grow harsher.
It grows less interpretable.
---
# THE CALL OF THE WILD
The frontier does not wait.
It shifts while you rest.
It remembers while you travel.
It adjusts to what you misunderstand.
Grayfen is only the first place where this becomes visible.
What the Frontier Offers
Beyond the marsh lie places that:
• Do not announce their danger
• Do not respond consistently
• Do not care if you are prepared
You will find:
• Ruins that remember why they failed
• Monsters that respond to patterns, not strength
• Powers that listen without judging
• Hope that exists — but must be earned
Survival here is not triumph.
It is permission to continue.
What This Game Asks of You
Eldritch Frontiers asks players and GMs to:
• Pay attention
• Accept uncertainty
• Make decisions with incomplete information
• Live with consequences rather than erase them
The world will meet you halfway —
but only if you stop trying to dominate it.
What Comes Next
This booklet is a beginning.
Beyond it lie:
• Additional frontier hexes and clusters
• Deeper exploration and survival rules
• New monsters designed to be understood, not farmed
• Ruins that change when revisited
• Signals that reach farther than intended
The horizon is wide.
It does not stay still.
---
# GRAYFEN: THE PLACE
Grayfen sits at the edge of the marsh, where the road still holds — but only because someone keeps repairing it.
Fog gathers here more often than it should. Water never fully recedes. Nothing rots quickly, but nothing stays clean.
The Land
• Marshland spreads outward in uneven rings
• Firm ground exists, but shifts seasonally
• Fog rolls in without warning and lingers too long
• Insects are thick, but oddly absent near certain ruins
Travel near Grayfen is:
• Slow
• Damp
• Deceptively manageable
This is where players learn that terrain itself is an obstacle.
The Settlement
Grayfen was once a village. It now calls itself a hamlet out of habit, not pride.
• Population: small, stable, exhausted
• Several buildings stand empty but maintained
• No walls, no watch — only routine
People here do not expect help. They expect endurance.
Key Locations
The Inn
• Warm, crowded, low ceilings
• Travelers linger longer than planned
• One room is always kept empty
The General Store
• Limited supplies
• Prices fluctuate with rumors
• Salt, oil, and alcohol are scarce
The Outskirts Apothecary
• Recently reopened
• Well stocked for a place like this
• Never forages near the temple
Hunters’ Sheds
• Functional but underused
• Traps go missing
• Game is thinning
The Ruined Temple
• Roof partially collapsed
• Altar intact
• Locals avoid staying long
Movement & Pressure
While in Grayfen:
• SP rises slower than in the deep frontier
• Supplies are available, but limited
• Short rests feel safer — long rests less so
• Leaving Grayfen without resolving local pressures increases risk in surrounding regions
Grayfen allows mistakes.
It does not forgive repetition.
What Players Notice First
• Conversations trail off when the marsh is mentioned
• No one crosses the bridge south casually
• People argue quietly about what used to be normal
Nothing here screams danger.
That is the danger.
---
# GRAYFEN: THE PEOPLE
The people of Grayfen are not helpless. They are tired.
They know the land is changing. What they argue about is why.
The Locals
• Practical, not superstitious
• Slow to trust outsiders, quicker to trust routine
• Afraid of being wrong more than afraid of danger
They do not ask for heroes. They ask for things to stop getting worse.
Most people here:
• Have seen something fail
• Have lost someone quietly
• Still show up to work
Notable Figures
The Innkeeper
• Knows who arrives and who doesn’t return
• Keeps careful notes, not out of curiosity but necessity
• Will trade information for discretion
The Apothecary
• New to Grayfen
• Knows more than expected
• Asks careful questions
• Never forages near the ruined temple
The Hunters
• Experienced, cautious, frustrated
• Traps vanish or return sprung but empty
• Know the marsh has patterns — they just don’t agree on them
The Temple Caretaker
• Maintains what little still stands
• Claims the disturbances are “worsening”
• Refuses to describe them clearly
What People Say (And What They Avoid)
Locals will talk about:
• Supplies running thin
• Roads becoming unreliable
• The bridge south “acting strange”
They avoid talking about:
• The temple at night
• Why the bell was never repaired
• How long the apothecary has truly been here
Silence is not secrecy. It is disagreement.
Social Pressure
In Grayfen:
• Rumors spread faster than facts
• Reputation matters more than intent
• Repeated failure costs trust
• Visible success draws attention
• Rash loss patience
• Escalated tension attracts notice
Grayfen remembers how you behave.
Design Guidance
Do not play the locals as ignorant or cruel. They are observant, but cautious.
They are wrong about some things.
They are right about others.
The challenge is telling which is which.
---
# PRESSURE & REST
The frontier does not punish immediately. It accumulates strain until something gives.
This strain is represented through Pressure and managed through Rest.
Pressure
Pressure reflects fatigue, exposure, and attention. It rises gradually and resolves unevenly.
Pressure is not damage — it is the warning before damage.
Survival Pressure (SP) represents:
• Fatigue
• Hunger
• Cold
• Minor injury
• Mental strain
SP increases when:
• Traveling through harsh terrain
• Pushing onward without rest
• Failing navigation or survival checks
• Camping carelessly
As SP rises:
• Movement slows
• Checks become harder
• Recovery becomes less reliable
SP does not kill you.
It makes mistakes matter more.
Environmental & Encounter Pressure
In addition to SP, the frontier responds to behavior.
Environmental Pressure
• Weather worsens
• Terrain becomes unstable
• Safe routes close
Encounter Pressure
• Creatures take notice
• Spirits manifest
• Forces respond indirectly
Pressure escalates before danger appears.
Pay attention when the world grows restless.
When in doubt, favor pressure, consequence, and forward motion over precision.
Rest & Recovery
Rest is layered.
Not all rest is equal.
Catch Your Breath (5–15 minutes)
• Recover 1 Hit Die
• Use items only:
– Bandages
– Healer’s kits
– Salves or tinctures
• No spell recovery
• No exhaustion removal
Use this to stabilize, not reset.
Short Rest (about 1 hour)
• Spend Hit Dice normally
• Use items freely
• Recover minor abilities (class dependent)
• Does not remove exhaustion
Short rests are possible in the field — but never entirely safe.
Long / Wild Rest (overnight outside a settlement)
• Recover half of spent Hit Dice
• Spellcasters regain spells via Arcane Recovery
• Does not remove exhaustion
• May be interrupted by terrain, weather, or attention
Sleeping in the wild restores the body — not the mind.
Full Recovery (two nights in a trusted settlement)
• Fully restore Hit Dice
• Remove all exhaustion
• Fully recover spells and abilities
• Reset environmental strain
A settlement must feel:
• Known
• Secure
• Supported
You cannot fully recover where you feel alone.
Design Truth
If pressure never rises, exploration becomes trivial.
If rest is always available, danger loses meaning.
The frontier remains playable because:
• Pressure is gradual
• Recovery is possible
• Choices matter
Exact SP values, modifiers, and escalation thresholds are intentionally left to GM judgment in this introductory release.
---
# THE PLACE THAT TEACHES THE MYSTERY
The bridge does not explain itself.
The land around it does.
Grayfen’s ruins exist for a reason: they are where mistakes linger long enough to be understood.
The Ruined Temple
The old temple sits half-sunk at the marsh’s edge.
• The roof has collapsed inward
• The altar remains intact
• The bell tower leans, but stands
• No one claims it as sacred anymore
• No one has dared dismantle it either
What the Temple Does
The temple does not offer answers.
It offers patterns.
Players who spend time here may notice:
• Disturbances follow a schedule, not a mood
• Sounds repeat, imperfectly
• Movement happens near the bell, not the altar
• Nothing here is overtly hostile
That absence is intentional.
What Careful Players Learn
Through observation, survey, or simple patience, players may uncover:
• The disturbances react to intent, not presence
• Noise and urgency escalate responses
• Calm, deliberate actions reduce resistance
• The temple mirrors the bridge’s behavior
• It does not cause the problem — it reflects it
Common Misinterpretations
Players may assume:
• The temple is haunted
• The spirit is angry
• The solution requires cleansing or destruction
These assumptions are understandable.
They are also wrong.
Violence here increases pressure without resolving the cause.
If the Players Interact Thoughtfully
Respectful actions may:
• Clarify what the Guardian wants
• Reduce future interference at the bridge
• Change how Grayfen’s people perceive the threat
The world responds to understanding, not obedience.
If the Players Force Resolution
Forcing the issue may:
• Silence the disturbances temporarily
• Break fragile systems
• Cause the problem to reappear elsewhere
The frontier dislikes being rushed.
Design Intent
This location exists to teach:
• The world communicates indirectly
• Systems echo across places
• Correct interpretation reshapes danger
The temple does not reward curiosity with treasure.
It rewards it with clarity.
If players learn nothing here, pressure should increase elsewhere.
---
# THE LOCAL MYSTERY: GUARDIAN OF THE BRIDGE
South of Grayfen stands an old stone bridge.
It is intact.
It is not blocked.
It is not broken.
And yet, it does not always allow passage.
The Problem
• Some travelers cross without incident
• Others are stopped, turned back, or worse
• No pattern is immediately obvious
Carts have stalled. Animals have panicked.
People report pressure, vertigo, or sudden certainty they should not proceed.
The bridge has not failed.
It is refusing.
What the Locals Believe
Ask three people in Grayfen and you will hear three answers:
• The bridge is cursed
• Something guards it
• It demands a toll or sacrifice
None of these explanations are entirely correct.
None of them are entirely wrong.
What Is Actually Happening
(Choose one, or let events decide)
A Bound Steward
• An old oath is still being enforced
• The terms have been forgotten, not erased
A Territorial Spirit
• Not hostile, but inflexible
• Misreads unfamiliar behavior as threat
A Failing Ward
• The protection reacts to fear and intent
• Panic triggers resistance
Each option supports different outcomes.
None require combat to resolve.
What the Guardian Wants
The Guardian does not want blood.
It wants one of the following:
• A promise renewed
• A name spoken correctly
• An object returned, not destroyed
Understanding what is wanted matters more than how loudly it is offered.
If the Players Use Violence
Violence may:
• Force a crossing temporarily
• Damage the bridge or its protection
• Escalate attention elsewhere
The bridge may work again.
The frontier will remember how it was made to comply.
If the Players Walk Away
• Trade slows
• Supplies grow scarce
• Grayfen declines quietly
Problems unresolved do not vanish.
They spread.
Design Intent
This mystery exists to teach:
• Not every obstacle is an enemy
• Interpretation reduces danger
• Solutions reshape the world
If the players ask, “What is the right answer?”
The correct response is silence.
---
# THE FRONTIER LOOP
Exploration in Eldritch Frontiers follows a simple, repeatable structure.
Every meaningful action on the frontier:
• Costs time
• Carries risk
• Changes the world
This is resolved through the Frontier Loop.
The Frontier Loop
When exploring a dangerous area, the group repeats the following cycle:
1. Choose an Action
2. Apply Pressure
3. Resolve Consequences
4. Move or Recover
This loop continues until the group leaves the area, retreats, or something forces a change.
The loop is intentionally simple.
The difficulty comes from deciding when to act, not how.
Frontier Actions
Each exploration segment, the group chooses one Frontier Action.
Travel
• Move between locations or hexes
• Advance time
• Risk exposure, fatigue, or misdirection
Use Travel when:
• Changing position
• Crossing terrain
• Pressing onward despite danger
Survey
• Observe, scout, listen, and map
• Identify dangers before they trigger
• Reduce future risk
Use Survey when:
• Entering unknown ground
• Watching a location
• Reading patterns in the environment
Survey does not grant treasure.
It grants foresight.
Exploit
• Forage, salvage, hunt, or extract value
• Gain resources, clues, or advantages
• Attract attention or escalate danger
Use Exploit when:
• Taking something from the world
• Pushing luck for reward
Exploit is where greed enters play.
Endure
• Rest, shelter, stabilize, or recover
• Reduce fatigue or pressure
• Spend supplies
Use Endure when:
• Damage or exhaustion accumulates
• The group needs time to breathe
Endure does not advance the world.
It keeps you alive in it.
Influence (Advanced)
• Alter systems, beliefs, or conditions
• Appease forces, redirect threats, or change outcomes
• Create lasting consequences
Use Influence when:
• Engaging with powers beyond simple action
• Attempting to change how a place behaves
Influence is risky and rarely subtle.
One Action, One Direction
• Only one Frontier Action is resolved per segment
• Multiple characters may contribute
• The action chosen defines the risks and rewards
Choosing the wrong action is not failure.
Ignoring pressure is.
Design Rule
If you are unsure which action applies, ask:
• Are we moving? → Travel
• Are we watching? → Survey
• Are we taking? → Exploit
• Are we recovering? → Endure
• Are we changing the rules? → Influence
These truths are expressed through pressure, unreliable safety, and systems that respond to attention rather than intent.
---
# MONSTERS & NEW APPROACHES
In Eldritch Frontiers, monsters are not puzzles to be solved with violence.
They are responses.
What Monsters Are
Monsters in the frontier are:
• Territorial rather than malicious
• Reactive rather than proactive
• Bound to systems rather than isolated
• Capable of retreat, negotiation, or misalignment
Most monsters exist because:
• Something changed
• Something failed
• Something was abandoned
They are symptoms as often as causes.
What Monsters Are Not
Monsters are not:
• Balanced encounters
• Environmental puzzles
• Just combatants
• Objects of loot
If a creature fights to the death, it is usually because something has gone very wrong.
How Monsters Behave
Most creatures in the frontier:
• Test before committing
• Observe patterns of behavior
• Withdraw if injured or confused
• Escalate only when threatened repeatedly
So should the players.
A Different Kind of Danger
Monsters in this game often:
• Drain resources instead of hit points
• Force difficult movement choices
• Separate the group
• Escalate pressure indirectly
A monster does not need to attack to make a situation worse.
Example: The Marsh Sentinel
(Signature Creature — no full statblock)
• Appears only when patterns repeat
• Avoids direct confrontation
• Withdraws if ignored
• Becomes aggressive if routes are forced
• Blocks areas, not targets
• Reacts to intent, not presence
Players who study it:
• Learn where not to travel
• Discover safer crossings
• Reduce future encounters
Players who attack it:
• Win briefly
• Suffer later
Design Intent
These creatures exist to teach:
• Pressure as threat
• Caution over confidence
• Observation over aggression
• Retreat as a valid outcome
The frontier does not reward bravery.
It rewards restraint.
---
# WHAT HAPPENS NEXT
The frontier does not reset after a problem is addressed.
It adjusts.
What the players do in and around Grayfen changes how the region behaves — sometimes subtly, sometimes immediately.
If the Players Resolve the Bridge Carefully
• Trade resumes, cautiously
• Travelers pass through with new rituals or habits
• Grayfen stabilizes, but does not recover fully
• New rumors surface about other blocked routes
The world rewards understanding with access, not safety.
If the Players Force a Solution
• The bridge allows passage again
• The protection weakens or breaks
• Attention shifts elsewhere
Something downstream notices.
What was contained in one place begins to express itself in another.
If the Players Ignore the Problem
• Trade slows further
• Supplies become scarce
• Locals grow distant and suspicious
The problem does not remain isolated.
It spreads quietly, then suddenly.
Consequences Are Directional
Outcomes in Eldritch Frontiers do not close stories.
They:
• Open routes
• Shift pressures
• Introduce new complications
Resolution creates momentum, not closure.
Signals of a Wider World
As the situation in Grayfen changes, the players may notice:
• Strange lights beyond the marsh
• Unreliable reports from the hills
• Messages that arrive without a sender
These are not new threats.
They are reminders.
The frontier is larger than this place.
Design Guidance
When play feels complete:
• Advance time
• Change conditions
• Introduce a new absence
Do not escalate immediately.
Let consequences travel.
Design Intent
This page teaches:
• Outcomes matter more than rewards
• The world responds sideways, not upward
• “Solved” problems may stay solved
Leaving Grayfen should feel earned — and slightly premature.
---
# A FINAL TRUTH
The frontier is not hostile.
It is indifferent.
It does not hate you.
It does not want you gone.
It simply expects you to learn.
Closing Line
The frontier is not waiting for heroes.
It is waiting for witnesses.
---
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