The Bell Beneath the Marsh
The Bell Beneath the Marsh
Read aloud
The bronze bell of Bellwether's ruined watchtower has rung three nights in a row, though the tower has been empty for generations. Each toll has been followed by a disappearance, and the village reeve offers a purse to anyone who can stop the next one. As you arrive, the bell sounds once from beyond the marsh.
Run the session
Cheat sheet
Objectives
- 1Find out who or what is ringing the bell.
- 2Enter the ruined watchtower and discover why the bell is active.
- 3Prevent the next toll from breaking the tower's old seal.
- 4Rescue the missing villager.Optional
The clock
The next toll sounds at midnight on the second night after the party arrives. If it rings, the Reed-Warden gains strength and the lower tower floods further. The party can slow the countdown by securing the bell rope or convincing Jory not to ring it.
Scenes
- 0:00A Toll at Dusk
- 0:35The Path That Moves
- 1:25The Ferryman's Confession
- 2:05The Tower's True Purpose
- 2:50The Third Toll
Cast
- Mara VennQuestgiver and village reeve
- Tovin ReedAlly and local naturalist
- Jory PikeWitness and frightened ferryman
- The Reed-WardenAntagonist
The hook
Set the scene
The party reaches Bellwether just after sunset. Villagers have gathered in the muddy square, arguing over whether to flee or send someone to the tower. Mara Venn offers the group 75 gp to investigate and stop the bell. Jory Pike is nearby, soaked to the waist and visibly shaken; Tovin Reed asks the party to preserve any old writing they find.
How Mara Venn asks
Mara Venn approaches the party in the village square after hearing they are capable adventurers.
She offers payment, answers practical questions, and asks them to avoid alarming the villagers until they know what is happening.
Rumours
Scenes
about 4 hours0:00
35 min
socialThe table is here
1. A Toll at Dusk
Bellwether's muddy village square at dusk.
Mara hires the party, Tovin asks them to preserve any records, and Jory's fear gives the group a reason to question what happened before the bell rang.
NextA trail of wet footprints leads from the village toward the marsh. Following it brings the party to the old causeway.
0:35
50 min
exploration
2. The Path That Moves
A flooded path through reeds and fog, ending at a partly submerged stone causeway.
The party crosses the marsh, handles the hazardous terrain, and can find signs that someone has been maintaining a path to the tower.
The Sinking CausewayNextBeyond the causeway, the party finds Jory's boat tethered to the tower steps.
1:25
40 min
social
3. The Ferryman's Confession
The watchtower's collapsed entrance and a small landing above the water.
The party can confront Jory, learn what he knows, and decide whether to trust him. A successful appeal or a compelling offer of help may convince him to reveal the lower entrance.
NextJory points out a submerged stair leading below the tower, where the bell's counterweight is housed.
2:05
45 min
exploration
4. The Tower's True Purpose
A ruined upper chamber with cracked murals, a dry alcove, and stairs descending into the flooded tower.
The party searches the tower, finds Tovin's mentor's journal, and discovers that the bell mechanism is connected to a sealed floodgate rather than a warning system.
NextThe bell rope jerks overhead. The party has only a short time to reach the lower chamber before the next toll.
2:50
70 min
combat
5. The Third Toll
The flooded chamber beneath the bell, where a counterweight hangs above an old stone seal.
The party confronts the Reed-Warden and chooses whether to fight, bargain, or disable the mechanism. The missing villager can be rescued if the party searches the flooded lower level.
The Bell ChamberNextWith the mechanism stopped or the spirit appeased, the party returns to Bellwether to report what happened and claim its reward.
Behind it
What people believe
The bronze bell of Bellwether's ruined watchtower has begun ringing again, and strange disappearances have followed.
The reeve seeks capable adventurers to investigate the marsh, uncover the source of the disturbance, and prevent further harm to the village.
Background
The village of Bellwether grew around a ruined watchtower whose bronze bell once warned nearby farms of raids.
The bell has not rung in decades, but during the last three nights its toll has returned, followed each time by the disappearance of a sheep or a villager's tool. A narrow track through the marsh leads to the tower.
The stakes
If the party does nothing, the Reed-Warden will break the old floodgate seal.
The marsh will surge into Bellwether, putting homes and lives at risk. Even if the party stops the spirit, the village must face the consequences of draining the wetlands.
Encounters
2The Sinking Causeway
Combat or bypass
A partly submerged stone causeway, slick reeds, and several patches of deep water.
Foes
2 giant frogs
1 swarm of insects
ComplicationRising water makes movement across the causeway hazardous. A creature pushed or knocked prone risks being swept into the reeds and separated from the group.
ScalingFor a smaller or less experienced party, remove the swarm of insects. For a larger or more capable party, add one giant frog. Use standard D&D 5E stat blocks for giant frogs and swarms of insects.
The Bell Chamber
Combat, negotiation, or sabotage
A circular stone chamber beneath the bell, with a hanging rope, a cracked floor, and ankle-deep water. The rope can be cut or secured, and a heavy counterweight can be jammed with an appropriate tool or plan.
Foes
The Reed-Warden, a custom spirit using the statistics of a will-o'-wisp with its lightning damage changed to necrotic damage
2 skeletons
ComplicationThe bell rope is caught around the mechanism. Each loud impact or failed attempt to force the mechanism risks a toll, which strengthens the Warden's hold on the tower.
ScalingFor a party of three or fewer, use one skeleton and reduce the Reed-Warden's hit points to 18. For a party of six or more, add one skeleton. These adjustments are custom encounter guidance, not official D&D 5E rules.
Cast
4Mara Venn
QuestgiverQuestgiver and village reeve
WantsKeep Bellwether calm and protect the villagers who depend on her leadership.
“I need someone to find out what is ringing that bell before the whole village decides the marsh is cursed.”
Tovin Reed
Ally and local naturalist
WantsRecover a weatherproof field journal that belonged to her missing mentor.
“The tower is older than our maps. If you find anything written there, bring it to me before you destroy it.”
Jory Pike
Witness and frightened ferryman
WantsProtect his family from a flood by keeping the tower's old warning mechanism running, even though he does not understand its true danger.
“The bell has to ring. They promised the water would stay back if it did.”
The Reed-Warden
Antagonist
WantsA spiteful marsh spirit wants to break the seal beneath the tower and reclaim the drained wetlands.
“One more toll, and the marsh will remember what was buried beneath it.”
How it ends
Rewards
Items
A silvered handbell recovered from the tower, worth 25 gp
Tovin's waterproof field journal, containing the upriver lead
One potion of healing, offered by the village herbalist
On a win
The bell falls silent, the immediate danger to Bellwether passes, and any rescued villagers return safely.
Mara publicly thanks the party and pays the agreed reward. If the party bargains rather than destroys or banishes the Reed-Warden, the village must decide whether to honor the spirit's demand and return some land to the marsh.
What it leaves open
If it fails
- If the party abandons the investigation or cannot reach the tower, another bell toll causes a villager to vanish. The quest remains available, but the rescue becomes more urgent.
- The village loses trust in the party, and Mara will not provide local support until they earn it back.
- If the party loses the final confrontation without disabling the bell, the spirit completes its ritual and breaks part of the old seal.
- The Reed-Warden escapes into the marsh and becomes a recurring threat. The village suffers damage from a localized flood, and the party receives no full reward.
- If the party treats Jory as an enemy or ignores his warnings, he may flee during the investigation and trigger the bell while trying to keep the water back.
- Jory is injured or taken by the marsh, and the party loses his testimony about the tower's lower passage.
Complications (d6)
- 1A plank on the marsh path snaps under a character. A nearby companion can catch them with a quick reaction; otherwise the character drops into knee-deep water and loses a small unsecured item.
- 2A sudden bank of mist separates the party for several minutes. Each separated character hears the bell from a different direction.
- 3A frightened marsh bird flies into the party carrying a strip of Jory's distinctive red scarf, suggesting he was recently near the tower.
- 4The bell gives a single distant toll. For the next hour, restless dead in the tower's lower rooms are alert and difficult to surprise.
- 5The path floods around a narrow causeway. The party must find a safe crossing, spend time waiting for the water to fall, or attempt a risky passage.
- 6A cracked stone marker reveals a warning in old lettering: 'Do not answer the third call.' The warning is useful, but reading it draws the Reed-Warden's attention.
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