The dungeon is the monster
Every door, stair, portrait, bell, and window is part of Hollowmere House's body language. There is no second monster at the end — the house is the encounter, from the first candle to the last bell.
Monster Almanac Adventures — Adventure No. 2
The House That Would Not Die
The monster is not inside the house. The monster is the house.
A complete gothic horror one-shot for D&D 5e · Levels 4–6 · 3–5 hours
Monster Almanac Adventures No. 2 · Haunted location · Six scenes · Seven possible endings
Main Monster
Haunting Revenant
Recommended Level
4–6
Play Time
3–5 hours
Type
Gothic Horror · Haunted Location · Moral Mystery
Tone
The house is the dungeon. The dungeon is the monster.
Best For
GMs who want architecture to do the accusing.
Adventure Premise
The monster is not inside the house. The monster is the house.
The old estate of Hollowmere House was declared empty twenty years ago. That was a lie.
No one lives there, but the house has continued to answer letters, light candles, lock doors, and ring the dinner bell every year on the anniversary of the Hollowmere family massacre.
The truth is that the Hollowmere family murdered their servants to conceal a failed ritual, and the house absorbed the dead, the oath, the lies, and the bodies — and became a revenant made of rooms, memory, and architecture.
The heroes must uncover what happened, find the hidden bones, name the dead, break the family oath, and decide what should happen to a house that became monstrous because it was forced to hide murder.
Free Preview — Opening Scene
Read this aloud when the heroes first see the estate.
Hollowmere House waits on the hill above a dead orchard.
The trees below it twist toward the manor like hands asking to be let inside. No leaves move. No birds call. The road ends at an iron gate hanging open by one hinge, though the rust suggests it has not moved in years.
Beyond the gate, the house rises black against the pale sky. Its windows are dark except for one: a single candle burning in the upper floor.
As you approach, another candle lights in the front hall.
Then another.
By the time you reach the door, the house is ready for guests.
Who they find
Tomas Reed — trapped in the dining room since the solicitor vanished. He says dinner has started three times.
What they notice
The guest ledger writes names by itself. One entry is already there when they arrive.
First dread
The front door locks after the last character enters. Not violently. Politely.
The full scene continues in the premium PDF with GM guidance, the Guest Ledger timer, investigation checks, NPC reactions, and haunted-room behavior rules.
Why Run This Adventure?
A haunted location where architecture learned how to accuse.
A haunted house with a real answer
The party is not fighting random ghosts. They are uncovering a hidden crime: seven murdered servants, false records, sealed bones, and a noble family that tried to make architecture hold its shame.
The final choice is moral, not mechanical
Release the house, burn it, bind it, let Elowen inherit it, or fail to carry the truth beyond the gate. Every ending costs something. The adventure asks what should happen to a place that became monstrous.
One house can become a campaign
Cassian's ritual notes imply other structures can be taught to hold secrets. A single haunted estate can open into noble corruption, cursed architecture, and a conspiracy of houses that learned how to remember.
Campaign Hooks
Open the front door from several different campaigns.
Four ways to bring Hollowmere House into your ongoing story. The premium version includes full integration guidance for each.
The Missing Heir
Elowen Hollowmere entered the old estate to claim her inheritance and vanished. She went in with two guards and a solicitor's assistant. Only one letter came back, in her handwriting: Send witnesses.
Best For: Noble campaigns, inheritance disputes, missing-person cases.
The House That Writes Letters
The heroes receive a letter from a house that has been empty for twenty years. The handwriting is elegant, formal, and wet. The letter names the party as expected guests.
Best For: Eerie supernatural campaigns, horror sessions, strange mystery hooks.
The Orchard Graves
The dead orchard below Hollowmere House has begun pushing bones through its roots. The locals refuse to approach the estate, but the trees keep bending toward the front door.
Best For: Rural horror, cursed land, old crimes, folk-gothic adventures.
The Noble Commission
A court hires the party to determine whether Hollowmere House can legally be inherited, sold, or destroyed. The legal question becomes spiritual: can a house own its own guilt?
Best For: Political intrigue, legal fantasy, noble corruption arcs.
Adventure Outline
Six scenes inside a house that remembers too much.
The structure below is the free preview. The premium PDF expands each scene with full GM guidance, clues, haunted-room behavior, read-aloud text, encounter scaling, and consequences.
Scene 101
The candles light before you reach the door.
Arrival at Hollowmere House
The heroes reach a gothic estate above a dead orchard. The gate is already open. The guest ledger writes their names before anyone speaks. The front door locks after the last character enters.
Scene 202
Six chairs for the family. Seven chairs for people the records say never existed.
Dinner for Thirteen
The dining room is set for thirteen. The servant places have no cups. The food resets every time the party tries to leave without engaging the mystery. Tomas Reed has been sitting here for three days.
Scene 303
Names carved at two heights. One of them is child height.
The Servants' Passage
Behind the polished walls, a second house exists. Narrow corridors, service bells, whitewashed scratches, and the presence of Mira Voss — the dead housekeeper who still knows every route.
Scene 404
Not dismissed. Stored.
The Bone Cellar
Below the kitchen, the physical proof. Seven shapes wrapped in servant cloth. Six at adult height. One smaller. The smallest has a brass bell in its hands and a child's drawing pinned to the coal-dust wall behind it.
Scene 505
The inheritance document changes every time Elowen looks away.
The Locked Family Wing
Elowen is here, and so is the document that wants to make her part of the house. The text shifts. The latest version says: I become witness, heir, and door.
Scene 606
Part courtroom. Part cellar. Part ribcage. The house breathes beneath you.
The Heart Room
The impossible room at the center of everything. The Haunting Revenant manifests. Seven bells hang from the ceiling like teeth. The party names the dead, breaks the oath, and decides the house's fate.
Featured Monster
The Haunting Revenant is Hollowmere House.
Not a ghost wandering through rooms. Not a spirit attached to an object. The estate itself became the revenant after Lord Cassian Hollowmere tried to bind the family's disgrace into the building — and the house absorbed the murdered servants, the oath, the bones, the silence, and the lie.
Now it behaves like a wounded predator with perfect manners. It sets the table. It lights the candles. It writes the guest list. And it does not let witnesses leave until they have seen what it needs them to see.
It is weakened by servant names, broken oaths, recovered bones, and daylight. It is strengthened by silence, accepted bargains, and another heir who signs without reading the fine print.
At the table, the house should feel:
- Polite before it becomes hostile.
- Architectural instead of humanoid.
- Hungry for witnesses not for blood.
- Weakened by names, evidence, daylight, and broken oaths.
- Tragic but still a true threat.
The premium PDF includes an original stat block for the Haunting Revenant with Legendary Actions, Oath mechanics, and three supporting creatures.
Six Possible Endings
The house's fate depends on what the party carries out.
Each ending is a real outcome with its own read-aloud text, NPC fates, and campaign consequences. The premium PDF includes full GM guidance for running each one.
01hopeful
Heroic Release
5+ resolution pts · servants named · oath broken
The party names all seven servants, breaks Cassian's oath, protects Elowen, and releases Hollowmere House from its revenant hunger. For the first time in twenty years, the house sounds empty.
02tragic
Burning Victory
House destroyed · some truth recovered
The threat ends in fire. If the servants were named before the first flame, their names survive. If not, the truth burns with the portraits.
03bitter
Bound Estate
4+ pts · binding chosen · oath rewritten
The party binds Hollowmere House. It becomes a dangerous supernatural witness — a place that turns family secrets into walls. Mira Voss stays as its keeper.
04dark
Inherited Curse
Elowen partially bound · oath unbroken
Elowen survives but carries the house with her. She thanks you. She sounds almost like herself. When she turns toward the door, the house turns with her.
05dark
The House Feeds
Low resolution pts · bargain accepted · servants unnamed
The party fails to carry the truth out. In the guest ledger, beneath their names, the ink is still wet: Expected again.
06dark
Cassian's Lie Survives
Documents intact · family version accepted
The house lets you leave. The servants remain where they have been for twenty years. The official records stay clean. The front door closes with patient courtesy.
🔒
One more ending.
Available in the premium PDF.
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This ending requires Cassian's methods to escape beyond the estate — and someone else to already be building.
Premium PDF
Enter the house fully prepared.
The premium PDF is the complete, ready-to-run adventure — six fully detailed scenes, all the tools a Game Master needs for a memorable haunted-location session.
Adventure
- ✓Full GM brief
- ✓Complete adventure background
- ✓4 campaign hooks
- ✓Full NPC cast with the seven servants
Scenes
- ✓6 fully detailed scenes
- ✓Read-aloud text for every scene
- ✓Haunted room behavior rules
- ✓Social, investigation, exploration, and ritual encounters
Systems
- ✓Three-Clue Rule structure
- ✓House Hostility Tracker
- ✓Dinner Reset Tracker
- ✓Heart Room Resolution Tracker
GM Tools
- ✓Scaling for levels 4–6
- ✓Darker and lighter tone variants
- ✓Haunting Revenant tactics
- ✓Aftermath and campaign hooks
Assets
- ✓10 printable player handouts
- ✓30+ random tables
- ✓Stat blocks for 4 creatures
- ✓6 maps, portraits, tokens, and item art
Adventure No. 2
The House That Would Not Die
Complete one-shot adventure PDF · D&D 5e compatible
- ✓ 6 fully detailed scenes
- ✓ 10 printable player handouts
- ✓ 4 original stat blocks
- ✓ 6 maps + portraits + tokens
- ✓ 7 possible endings
Available on Ko-fi · Instant PDF download
Continue the Adventure
Let one haunted house become a campaign corridor.
The premium PDF includes campaign seeds for each ending. Four of them:
The Architecture of Guilt
Cassian's ritual notes imply other structures can be taught to hold secrets. A noble occultist, necromantic architect, or death priest may already be building a second living house.
Elowen's Testimony
Elowen wants to expose the Hollowmere crimes, but noble courts prefer clean inheritances. The party may need to protect her from legal, political, and supernatural retaliation.
The Other Houses
Letters arrive from other abandoned estates, each in a different hand, each with the same phrase: Send witnesses.
Mira's Unfinished Duty
Mira is released, but not gone. She appears when houses hide their dead — a guide for parties who know how to ask where servants had to go.
FAQ
Questions before the door opens
Is this a full adventure or a preview?+
This page is a free preview — the premise, hooks, outline, featured monster overview, and opening scene. The premium PDF is the complete ready-to-run adventure.
What level is this adventure for?+
Designed for characters of levels 4–6. The premium version includes scaling guidance for different party sizes, play styles, and tones.
Is the house really the monster?+
Yes. Hollowmere House is treated as a Haunting Revenant. The structure itself is the dungeon, threat, mystery, and final encounter. There is no second monster behind a curtain.
Is this compatible with D&D 5e?+
Yes. Written for 5e-compatible play. The Haunting Revenant is an original stat block created specifically for this adventure, with four supporting creature variants.
Can I drop this into an existing campaign?+
Yes. Four campaign hooks cover missing heirs, noble corruption, rural horror, and eerie supernatural investigations. The adventure can run as a standalone night or open into a longer arc.
Does the free preview include maps and handouts?+
The free preview shows the opening scene and structure. The premium PDF includes 10 printable handouts, 4 stat blocks, 6 maps, portraits, and tokens.
Is this only horror, or can it run heroic?+
Both. The default tone is gothic horror, but the premium version includes lighter variants where the party can release the house, honor the dead, and leave with the truth.
Monster Almanac Adventures No. 2
The candles are already lit.
The premium PDF is complete and available now on Ko-fi. Six fully detailed scenes, ten handouts, four stat blocks, six maps, tokens, and seven possible endings.
Instant PDF download via Ko-fi · Compatible with D&D 5e and most fantasy tabletop systems