Viskande Träsket is a local stretch of temperate swamp, roughly a day's hard crossing from end to end, where reeds hide the scars of an old war. Acrain's victory over Lord Cyran Mercier's undead and demonic host left the marsh haunted rather than healed. De Fallnas Tempel draws mourners and pilgrims to honor the fallen, but most travelers skirt the wetland, listening uneasily when the reeds seem to whisper their names.
Cultures
Acrainian borderland customs shape the scattered communities and their wary hospitality.
Khal-Moldur dwarven memorial craft is honored at the battlefield shrines.
Southern ranger traditions survive in the guides who know the raised paths.
Breioan Kirlisian rites influence funerals and remembrance of the fallen.
Places
4 settlements
Large compound · Temple complexDe Fallnas TempelMemorial sanctuary and spiritual centerA large memorial temple dedicated to the heroes and leaders who stood against the undead and demonic host; its custodians shelter pilgrims and maintain the graves.
Small · Causeway hamletRushbankFishing and guiding postA modest cluster of homes stands on a raised bank where locals trade fish, reeds, and practical advice about the marsh.
Tiny · Marsh campSedgepostSeasonal work campA handful of seasonal huts serve peat cutters and travelers who wait for safe passage through the northern reeds.
Small · Roadside hamletSouth CausewayTrade and travel checkpointA guarded road stop marks the southern approach, where guides hire out and news from outside the swamp changes hands.
How they spread
PatternMost residents live on the marsh margins or on raised hummocks, with isolated camps linked by seasonal paths. The interior has no permanent settlements that can be relied upon.
Common kinds
Causeway hamlets
Fishing camps
Pilgrim hostels
Small temple-side service quarters
Trade routes
The northern road along Acrainian farms
The western track toward Khal-Moldur
The southern causeway used by guides and traders
Dangers and hooks
4 threats
Most dangerous · SevereThe Drowned HostSupernatural war remnantsScattered undead and demonic remnants linger beneath the battlefield flats and gather around tainted ground.
Cyran's UnquietHighUndead haunting
Undead emerge from old battle sites, especially after floods or on moonless nights.
Grave-Robbers and Relic HuntersHighHuman threat
Small crews probe ruins and memorial grounds, sometimes triggering wards or awakening the dead.
The Sinking ReedsModerateNatural hazard
Predatory beasts and treacherous marsh conditions threaten travelers away from marked paths.
Hazards of the land
Unstable peat gives way beneath a traveler's weight.
Restless undead gather around old battle sites after dusk.
Demonic taint causes fever, disorientation, and brief waking visions.
Sudden floods can erase causeways and strand travelers.
Plot hooks
1
The Grave That BreathedInvestigationA new grave has opened inside the temple grounds, and the custodians fear that someone has disturbed a sealed memorial chamber.Starts: A custodian asks the party to inspect fresh footprints beside the opened grave.Reward: A temple relic and the custodians' lasting trust.
2
Lanterns Below the MistRescueA string of ghost lights is drawing travelers from the causeway toward a flooded battlefield where an undead patrol has awakened.Starts: A stranded courier offers a map in exchange for a safe escort back to firm ground.Reward: Payment, salvage rights to recovered equipment, and a safe route through the reeds.
3
Fire Over SedgewaterMoral dilemmaThe Black Reed Vigil plans to burn a tainted marsh island, though locals say refugees are hiding there.Starts: The party hears the Vigil arguing with a family at the South Causeway.Reward: A favor from the local guides and a chance to recover an old battlefield standard.
4
The Current Against the MoonExplorationA water channel has begun flowing uphill at night, revealing a buried entrance that may hold records of Cyran's defeat.Starts: A fisher asks the party to investigate the impossible current before it carries away the family's nets and boat.Reward: A hidden historical record and a modest cache of war-era coin.
The land
Climate and ground
ClimateTemperate and damp, with misty mornings, frequent rain, and sudden cold snaps.
TerrainWaterlogged swamp broken by firm hummocks, sunken ruins, and narrow causeways.
Biomes
Open reed marsh, Sedge fen, Willow thickets, Peat bog
Waters and borders
Waterways
The Veyr, a slow river skirting the eastern marsh
The Sallow Run, a branching channel through the northern reeds
The Drowned Reach, a broad flooded basin
The Old Army Drain, a partially collapsed military canal
Borders
Acrainian farmland to the north
The road toward Khal-Moldur to the west
Southern uplands to the south
Low settled ground toward Breioa to the east
On the road
Marked paths are reliable only while their posts remain visible above floodwater.
A local guide is essential beyond the outer reed beds.
Sounds carry strangely over the water and can mislead travelers at night.
Landmarks
De Fallnas Tempel stands on a rare expanse of firm ground.
Rusted weapons and broken standards surface after heavy rains.
A sunken causeway crosses ground where the army once held its line.
Pale lights appear above the old battlefield on moonless nights.
Landforms
Flooded battlefield flats
Low peat islands
Buried earthen ramparts
Sedge-choked pools
Resources
Peat
Reeds and sedges
Eels and marsh fish
Bitter healing herbs
Power
Rule
GovernmentNo single ruler governs the swamp; nearby Acrainian officials, temple custodians, and local communities share practical authority.
SeatDe Fallnas Tempel serves as the region's principal place of counsel, remembrance, and refuge, though it is not a civil capital.
StabilityThe outskirts are loosely ordered by local custom, while fear of the curse and disputes over salvage keep tensions high.
Laws
Disturbing marked graves or taking memorial offerings is forbidden.
Weapons must be peace-bound at De Fallnas Tempel unless danger is immediate.
Guides may close causeways during flood or haunting activity.
Factions
Keepers of the FallenReligious custodians
Influence: Respected around the temple and among visiting pilgrims.Keep the memorial grounds tended, record the names of the fallen, and prevent grave robbing.
Rushcutters' CompactLocal guides and traders
Influence: Strong along the causeways and at the marsh edge.Sell safe passage and salvage while concealing the routes they reserve for themselves.
The Black Reed VigilMilitant order
Influence: Small, mobile, and increasingly feared by locals.Destroy undead wherever they find them and recover any relics that might restore Cyran's power.
Faiths
Kirlis
Influence: Strong at De Fallnas Tempel and among pilgrims; limited in isolated hamlets.Honoring the dead, steadfast courage, and protection against undeath.
The Deep Ancestors
Influence: Practiced privately by dwarven visitors and families linked to Khal-Moldur.Ancestors, craft, and the keeping of names through stonework and memorials.
The Reedward Rites
Influence: Local and practical, with customs varying from settlement to settlement.Seasonal offerings for safe passage, healthy waters, and respectful burial.
People and trade
Who lives here
How manyVery sparse, with small communities on firm ground around the marsh margins.
Main peoples
Acrainian humans from nearby farming and garrison families
Dwarven traders and memorial masons with ties to Khal-Moldur
Half-orc guides and hunters from southern lands
Other peoples
Breioan pilgrims and Kirlisian clergy
Marsh-dwelling families descended from battlefield refugees
Languages
Acrainian, Dwarvish, Orc, Breioan
Trade
WealthPoor overall, though guides and suppliers can earn well during pilgrim seasons.
Work
Fishing and eel trapping
Reed cutting and peat gathering
Pilgrim lodging and guarded guiding
Exports
Smoked fish
Reeds and woven mats
Peat and medicinal marsh herbs
Imports
Grain and preserved food, Iron tools and lamp oil
Markets
Rushbank, The South Causeway
History and secrets
Viskande Träsket was once a battlefield where the Kingdoms army of Acrain faced undead and demonic forces under Lord Cyran Mercier. Voroc Dankil, Agronak Baroar, and Cassius Gråvinge helped stop the vampire lord, but victory did not cleanse the marsh. De Fallnas Tempel now honors the fallen, while travelers trade stories of voices in the reeds and lights that lead toward drowned ground.
Key events
The Old War
The Battle in the ReedsAn undead and demonic host led by the vampire lord Lord Cyran Mercier fought the Kingdoms army of Acrain across the marsh.
The Old War's end
The Three StandVoroc Dankil, Agronak Baroar, and Cassius Gråvinge brought down Cyran's campaign and helped halt the host.
After the war
De Fallnas Tempel is foundedA memorial temple was raised for the heroes and leaders who resisted the invasion, and the swamp's surviving dead became a lasting warning.
Secret 1 · GM only
The heroes' victory ended Cyran Mercier's invasion, but did not confirm the vampire lord's destruction.Found by: A careful search of the temple's oldest foundation stones reveals a sealed inscription beneath later memorial work.If found: The inscription indicates that Cyran's remains were never found and may have been carried away from the battlefield.
Secret 2 · GM only
Acrain's army buried supplies and records beneath the marsh before its final retreat, and the cache remains partly intact.Found by: At low water, a line of iron stakes appears in the northern marsh and points toward a submerged military storehouse.If found: Its contents could strengthen local defenses or empower anyone seeking to exploit the swamp's lingering curse.
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