Table of Contents

The Whispering Depths of Fauna Mine

A Vaesen One-Shot Adventure for 2 Players + 1 Game Master


Adventure Overview

Duration: 3-4 hours
Players: 2 (each controlling 2 characters)
Setting: The abandoned Fauna Copper Mine, deep in the Scandinavian wilderness
Tone: Gothic horror with survival elements and moral complexity
Themes: Family bonds, cult worship, symbiosis between human and supernatural

Visual Style

The adventure should evoke the color palette of The Last of Us: muted high oranges contrasting with deep dark greens, creating an atmosphere of decay and unnatural growth.


Background & Lore

The Fauna Mine History

The Fauna Copper Mine was once a profitable operation until a series of mysterious incidents forced its closure. Some ten years ago, a mining crew led by the Lindholm brothers discovered rich ore veins in the deepest sections. However, they also encountered something else—a strange, bioluminescent fungus that seemed to respond to human presence.

The Transformation

Erik's brother, Magnus Lindholm, was the first to notice that while other miners developed severe skin irritations and respiratory problems from exposure to the fungus and its gaseous emissions, he remained unaffected. Over time, the fungus began growing on his skin, creating a symbiotic relationship that granted him immunity to the mine's toxic environment.

The Cult of the Deep Growth

As Magnus's transformation progressed, surviving miners began to worship him as a chosen vessel. They formed a cult around him, believing he was blessed by ancient powers within the earth. The cult operated in secret chambers throughout the mine until internal conflicts and fear drove most members away, leaving Magnus alone in the depths.


Key NPCs

Erik "The Lantern" Lindholm

Archetype: Haunted Guide
Age: 45
Appearance: Weather-beaten face, graying beard, always carries an ornate brass lantern

Background: Former miner who lost his brother Magnus in what he believed was a cave-in. Has spent years researching the mine's history, driven by guilt and a need for closure.

Personality: Protective, knowledgeable, harbors deep guilt. Becomes increasingly agitated as the group ventures deeper.

Secret: Knows his brother is still alive but hasn't told anyone. The “cave-in” was actually Magnus choosing to remain in the depths with the fungus.

Vaesen Mechanics:


Pre-Generated Player Characters

Character 1: Dr. Astrid Blomqvist

Archetype: Scholar of the Occult
Age: 35
Background: University researcher specializing in folklore and supernatural phenomena

Motivation: Drawn to the mine by reports of unusual biological phenomena that might have supernatural origins.

Vaesen Mechanics:

Relationships: Has corresponded with Erik about local folklore

Character 2: Magnus Eriksson

Archetype: Industrial Engineer
Age: 40
Background: Mining engineer hired to assess the structural integrity and machinery

Motivation: Professionally interested in the old mining equipment and ventilation systems.

Vaesen Mechanics:

Relationships: Recommended by the mining company that hired the expedition

Character 3: Nils Andersson

Archetype: Wilderness Survivalist
Age: 42
Background: Local hunter and tracker familiar with the mountain region

Motivation: Hired as a guide and protector for the expedition.

Vaesen Mechanics:

Relationships: Knows the local legends about the mine

Character 4: Sister Margareta Holm

Archetype: Folk Healer
Age: 50
Background: Local wise woman and herbalist with knowledge of traditional remedies

Motivation: Concerned about the spiritual implications of the mine's corruption.

Vaesen Mechanics:

Relationships: Has treated miners who escaped the mine years ago


Scene Breakdown

Scene 1: The Mine Entrance

Mood: Foreboding anticipation
Duration: 20-30 minutes

Description: The overgrown entrance stands like a mouth in the mountainside. Rusted rail tracks disappear into darkness. Ancient warning signs in Swedish and Norwegian mark the entrance. The forest around is unnaturally quiet.

Vaesen Mechanics:

Key Elements:

Discoveries:

Scene 2: The Main Tunnel System

Mood: Claustrophobic mystery
Duration: 30-40 minutes

Description: Ancient wooden support beams creak ominously. The walls glisten with moisture and patches of luminescent moss. Carved symbols become more frequent and elaborate as the group progresses deeper.

Vaesen Mechanics:

Key Elements:

Discoveries:

Puzzle: Reading the Symbols
Players must make Learning or Lore checks to understand the progression:

Scene 3: The Chamber of Bio-Film

Mood: Tense otherworldly danger
Duration: 40-50 minutes

Description: A vast chamber where thick, bioluminescent film oozes from floor cracks. The organic material pulses rhythmically like a heartbeat. Strange growths line the walls, and the air shimmers with toxic gases.

Vaesen Mechanics:

Key Elements:

Environmental Hazards:

Discoveries:

Scene 4: The Old Machinery Room

Mood: Tense puzzle-solving with mechanical dread
Duration: 45-60 minutes

Description: A chamber filled with massive, rusted ventilation equipment. Pipes and chambers of various sizes create a complex system. Everything is covered in a thin layer of the bio-film, making operation dangerous.

The Resonance Puzzle:
The ventilation system requires tuning a series of pipes to create specific harmonic frequencies.

Vaesen Mechanics: 1. Investigation Phase:

2. Operation Phase:

The Spirit in the Machine:
A minor Vaesen inhabits the ventilation system—the collective spirit of miners who died operating it.

Outcomes:

Scene 5: The Cult Chambers

Mood: Archaeological horror and revelation
Duration: 30-40 minutes

Description: Hidden chambers accessed through cleared ventilation shafts. These spaces show clear signs of long-term habitation and religious activity centered around fungal growth.

Vaesen Mechanics:

Key Elements:

Discoveries:

Erik's Breaking Point:
This is where Erik reveals he knew Magnus was alive. Players can make Empathy checks to help him process this revelation or Logic checks to understand the full implications.

Scene 6: The Heart of the Mine (Multiple Approaches)

Mood: Climactic confrontation with moral complexity
Duration: 45-60 minutes

Description: The deepest accessible chamber, where bio-film has completely taken over. The walls pulse with organic life, and at the center, Magnus Lindholm sits in meditation, his body a hybrid of human and fungal growth.

Approaching Magnus:
Players can reach this scene through multiple paths based on their previous choices:

  1. Direct Confrontation Route: If they cleared the ventilation completely
  2. Stealth Approach: If they partially solved the machinery puzzle
  3. Diplomatic Contact: If they showed respect to spirits and understood cult lore

Magnus Lindholm - The Transformed
Current State: Magnus has been symbiotically merged with the mine's Vaesen for years. He's conscious but fundamentally changed.

Vaesen Mechanics:

Interaction Options:

1. Diplomatic Approach (Empathy Checks):

2. Aggressive Approach (Combat):

3. Scholarly Approach (Learning/Lore Checks):

Erik's Choice:
Regardless of approach, Erik must decide whether to:


Multiple Endings

Ending 1: The Reunion

If players successfully negotiate with Magnus and Erik accepts his brother's transformation, the bio-film growth stabilizes but doesn't spread. The mine becomes a contained supernatural site that requires monitoring.

Outcome: The mining company must abandon their plans, but the supernatural threat is contained. Erik finds peace with his brother's choice.

Ending 2: The Sacrifice

If Magnus is destroyed (through combat or his own choice), the bio-film begins to die, but Erik is left devastated. The mine becomes safe for industrial use, but at great personal cost.

Outcome: The mining operation can proceed, but Erik disappears into the wilderness, unable to cope with the loss.

Ending 3: The Revelation

If players focus on understanding rather than resolving, they leave with crucial knowledge about human-Vaesen symbiosis. Magnus remains, but his influence is understood and can be managed.

Outcome: The characters become experts on this type of supernatural phenomenon, setting up future adventures.

Ending 4: The Containment

If players partially solve the situation, the mine is sealed and marked as a supernatural hazard. Magnus continues his existence, but isolated from the outside world.

Outcome: A compromise solution that prevents immediate harm but leaves questions unanswered.


Vaesen Rules Integration

Core Mechanics Used

Attribute Checks:

Skills Emphasized:

Conditions and Trauma

Environmental Conditions:

Mental Trauma Opportunities:

Supernatural Elements

The Mine's Vaesen:

Vaesen Detection:
Characters with supernatural sensitivity can detect:


Handouts and Props

Handout 1: Magnus's Journal Fragment

Day 47 in the deep chambers. The growth no longer burns when I touch it. Sara says I'm blessed, that the mountain spirits have chosen me. I don't feel chosen—I feel changed. But when the others cough blood and I breathe freely, perhaps she's right. The voices in the walls speak of partnership, not possession. Perhaps this is evolution, not curse.

Handout 2: Cult Member's Letter

Brother Magnus grows stranger each day. The growth covers more of his skin, and his eyes glow with that same green light as the walls. Some of us begin to doubt. Is this blessing or something darker? I've hidden supplies in the upper chambers. If things go wrong, we'll need an escape route. —Nils Eriksson

Handout 3: Mining Company Report

Preliminary surveys indicate significant copper deposits in sectors 7-12. However, local reports of 'sleeping sickness' and 'corrupted air' require investigation. Recommend sending advance team with protective equipment before full operations commence.

Handout 4: Erik's Research Notes

Seventeen witnesses describe Magnus Lindholm as 'becoming one with the mountain.' All accounts agree: he didn't die in the collapse. He chose to stay. I've spent five years denying this, but the evidence is clear. My brother is still down there, and I don't know if he's still human.

Game Master Notes

Pacing Guidelines

Maintaining Tension

Managing Multiple Characters

Each player controls two characters to create a larger expedition feel:

Adapting for Different Groups

Success Metrics

The adventure succeeds if:


Appendix: Quick Reference

Difficulty Ratings

Environmental Effects

Time Management