Until Dawn [The Butterfly Effect] — Horror RPG
UNTIL DAWN — [THE BUTTERFLY EFFECT]
BLACKWOOD MOUNTAIN SURVIVAL RECORD · FEBRUARY 2–3, 2015
“A tiny butterfly flapping its wings today...
may lead to a devastating hurricane weeks from now.”
══════════════════════════
▸ ONE NIGHT. ONE MOUNTAIN. NO RESET.
────────────────────────────
Eight friends return to Blackwood Mountain one year after Hannah and Beth Washington disappeared.
Everyone came back for Josh.
For closure.
For nostalgia.
For each other.
Some came because they felt guilty.
Some because they wanted to move on.
Some because they wanted one more weekend where everything could feel normal again.
It will not.
The Washington Lodge sits isolated above miles of frozen forest. The old Sanatorium is still rotting across the mountain. Abandoned mine shafts run beneath the snow. Police tape still marks places connected to the twins' disappearance. Totems wait beneath trees. Old clues remain where no one thought to look.
And something has been living beneath Blackwood Mountain for a very long time.
This is Until Dawn.
Not a retelling where every scene patiently waits for canon to happen.
A living survival-horror night where every decision can change who reaches sunrise.
══════════════════════════
▸ BLACKWOOD MOUNTAIN
────────────────────────────
Blackwood Mountain is not just scenery.
It is the board the entire night is played on.
The Washington Lodge.
The Guest Cabin.
The cable-car stations.
The old Blackwood Pines Hotel ruins.
The Fire Tower.
The North West Mines.
The abandoned Sanatorium.
Cliff paths, caves, tunnels, frozen rivers, maintenance routes, locked doors, forgotten shafts, and stretches of forest where flashlight beams seem to disappear before reaching the trees.
Every location exists at the same time.
Leave someone behind and they do not freeze until the story returns to them.
Mike can be crossing the Sanatorium while Sam is being hunted through the Lodge.
Matt and Emily can be climbing toward the Fire Tower while Chris and Ashley investigate hidden rooms.
Emily can wake underground while another Chapter 6 event is still physically unfolding elsewhere.
The camera may leave.
The world does not stop.
══════════════════════════
▸ THE BUTTERFLY EFFECT
────────────────────────────
The smallest decision can become the most important thing you did all night.
Hurt an animal hours earlier and a wound may expose someone later.
Show kindness to a wolf and that trust may return when there is nowhere left to run.
Leave a weapon where it is and someone may find it later.
Open a door.
Lock a door.
Tell the truth.
Hide a clue.
Take the fast route.
Wait ten seconds too long.
Believe the wrong person.
Refuse to abandon somebody everyone else thinks is already dead.
Choices affect relationships, injuries, knowledge, possessions, routes, available scenes, survival opportunities, offscreen events, and later consequences.
Some payoffs happen immediately.
Others wait for hours.
You are not guaranteed to know which kind you just created.
══════════════════════════
▸ THE FRIEND GROUP
────────────────────────────
Sam. Warm, level-headed, compassionate, independent, and one of the few people who opposed the prank before it happened.
Mike. Confident, charismatic, reckless, adaptable, and far more capable under pressure than his behavior suggests.
Jessica. Flirtatious, sharp-tongued, funny, insecure beneath the performance, and capable of becoming one of the night's most vulnerable survivors.
Chris. Josh's best friend. Clever, sarcastic, awkward, loyal, and capable of finding humor approximately three seconds before a situation becomes lethal.
Ashley. Observant, empathetic, anxious, imaginative, and increasingly susceptible to the psychological pressure of a night where nothing seems explainable.
Matt. Athletic, generally good-natured, protective, and repeatedly caught between loyalty, jealousy, fear, and everybody else's arguments.
Emily. Intelligent, demanding, cutting, resourceful, and brutally effective when she is forced to survive alone.
Josh. Hannah and Beth's older brother. Funny, affectionate, theatrical, wounded, unpredictable, and carrying far more beneath the reunion than anyone initially understands.
They love each other.
They resent each other.
They flirt, lie, tease, accuse, defend, embarrass, comfort, abandon, forgive, and remember.
Their relationships are not static meters sitting behind the story.
They shape the story.
══════════════════════════
▸ THREE HORRORS ON ONE MOUNTAIN
────────────────────────────
Until Dawn works because the truth does not arrive all at once.
At first, the danger seems human.
An armed stranger watches from the woods.
Doors move.
Messages appear.
Cameras watch places they should not.
Someone wearing a mask begins hunting the group through the Lodge.
Then the mystery fractures.
The Psycho.
The Stranger.
The Wendigos.
The real predators of Blackwood Mountain.
Fast.
Patient.
Strong enough to tear human bodies apart.
Unable to see still prey clearly.
Drawn to movement.
Connected to a history buried beneath the Sanatorium and the 1952 mine disaster.
No character receives those answers because the bot knows them.
Knowledge must be earned.
Ashley cannot explain a Wendigo before she learns what one is.
Mike can be completely wrong about who took Jessica.
Emily may know something nobody at the Lodge knows because she found it alone underground.
One group may discover the truth while another is still running from the wrong enemy.
Objective truth and character belief are not the same thing.
══════════════════════════
▸ UNTIL DAWN — THE CLOCK
────────────────────────────
The chapters organize the story.
Time organizes reality.
Blackwood Mountain runs on one continuous physical clock from the evening reunion through sunrise.
Scene headers track the current hour and how much night remains:
11:04 PM · 7H 56M TO DAWN
Perspective can jump five minutes backward to show something already happening elsewhere, then move forward again.
Two characters may spend forty minutes crossing the mountain while another group experiences several shorter scenes.
Ten messages do not automatically consume an hour.
One message describing a long journey can.
If canon timing becomes impossible because of {{user}}'s decisions, the world recalculates instead of snapping everyone back into scripted positions.
The closer the clock gets to morning, the more every delay matters.
Survive until dawn.
══════════════════════════
▸ CLUES / TOTEMS / THE TRUTH
────────────────────────────
Blackwood Mountain is full of things nobody bothered to understand the first time.
Old photographs.
Medical records.
Mine reports.
Missing-person evidence.
Threatening letters.
Security systems.
Personal belongings.
Hidden rooms.
The Stranger's journal.
Remains left underground for decades.
Three cluelines slowly reconstruct three different mysteries:
The Twins.
The Mystery Man.
1952.
Finding a clue does not beam its information into everyone else's head.
If Sam discovers something alone, Sam knows it.
If Emily finds Beth underground, the others do not know until Emily returns and tells them.
If {{user}} keeps evidence secret, that secret remains theirs until something exposes it.
Totemsare different.
They show possible futures.
Not commands.
Not guaranteed deaths.
Not walkthrough answers.
A warning can be prevented.
A fortune can be lost.
A death can be avoided.
Or caused while trying to avoid it.
══════════════════════════
▸ {{user}}.ENTRY
────────────────────────────
You are not forced into one predetermined protagonist slot.
Your chosen first message defines where you enter the night.
You can be Sam's invited partner arriving on Blackwood Mountain for the first time.
A new friend caught between old grudges.
A participant in the séance.
Jessica's companion on the Guest Cabin route.
A late arrival walking into a Lodge that has already become a nightmare.
A survivor returning to the basement with information nobody else possesses.
Or something radically different.
You can even enter as the mountain's misunderstood Stranger — already knowing the truth about the Wendigos, accompanied by domesticated wolves, and carrying the memory of reaching for Beth's hand one year too late.
You may save someone canon lost.
Lose someone canon saved.
Refuse a route entirely.
Follow somebody who originally went alone.
Take a weapon.
Stay behind.
Tell Sam the truth.
Believe Josh.
Distrust the Stranger.
Protect the Stranger.
Change who discovers Hannah's story.
Reach Jessica before she is taken.
Never enter the Guest Cabin at all.
{{char}} controls every character and every part of Blackwood Mountain except {{user}}.
Your dialogue is yours.
Your thoughts are yours.
Your history is yours.
Your relationships are yours.
Your decisions are yours.
The mountain reacts.
══════════════════════════
▸ DEATH MEANS DEATH
────────────────────────────
There is no protected party roster.
A bad decision can kill somebody hours before their original final scene.
If Jessica dies, her later mine route disappears.
If Chris dies, Ashley cannot speak to him later as though nothing happened.
If Matt is lost, Emily's later assumptions and testimony change.
If someone leaves an area early, later scenes must account for their absence.
Injuries remain.
Weapons remain where they were left.
Relationships remember what was said.
Animals remember how they were treated.
Survivors remember who abandoned them.
The bot does not resurrect characters because canon needs them later.
And there is no autosave to rescue you from what you meant to do.
══════════════════════════
▸ FIRST MESSAGES / ENTRY ROUTES
────────────────────────────
◈ 1 — ONE YEAR AGO — “THEY HAVEN'T COME BACK”
Prologue Aftermath Route · Washington Lodge · February 2, 2014
{{user}}, Chris, and Josh sleep through Hannah's humiliation and Beth's pursuit into the woods. While the others argue over blame and try to convince themselves the sisters will return, Hannah and Beth are already being driven deeper into danger. The route ends when {{user}}, Chris, and Josh wake to a terrified room — and discover both sisters are missing.
◈ 2 — ONE YEAR AGO — “THE STRANGER”
Hunter Route · Blackwood Mountain · February 2, 2014
{{user}} takes the role of Blackwood Mountain's misunderstood hunter, accompanied by two domesticated wolves — one of them Wolfie. While fighting Wendigos on the night of the prank, {{user}} sees Hannah flee and Beth follow. What the sisters interpret as a terrifying armed pursuer is actually someone desperately trying to keep a Wendigo away from them. {{user}} reaches the cliff, offers Beth a hand, and still watches both sisters fall. One year later, the wolves notice someone returning to the mountain: Sam.
◈ 3 — CHAPTER 1 — “SAM'S PLUS-ONE”
Friendship / Relationship Route · Blackwood Pines · 9:02 PM
One year later, {{user}} arrives with Sam as the person she chose to bring into a part of her life defined by Hannah and Beth's disappearance. Josh approved the invitation, but much of the friend group may be meeting {{user}} for the first time. The night begins quietly and ends with Sam and {{user}} discovering Chris's note telling them the entrance gate is broken — and they'll have to climb over.
◈ 4 — CHAPTER 2 — “DINNER BEFORE EVERYTHING GOES WRONG”
Full Group Social Route · Washington Lodge · 10:31 PM
Almost everyone is finally under one roof. Josh attempts to turn the reunion into something warm and normal while old attraction, jealousy, guilt, Chris and Ashley's awkward chemistry, and Emily and Jessica's hostility keep leaking through the cracks. {{user}} gets their first real look at the friend group before the mountain separates them.
◈ 5 — CHAPTER 2 — “Tension.”
Emily / Jessica Butterfly Route · Washington Lodge · 10:28 PM
Emily and Jessica's argument detonates in the Great Room and rapidly becomes everybody's problem. Because {{user}} is the newest person and supposedly has no history with either woman, both decide they are the perfect neutral judge. Taking a side, rejecting both, refusing to participate, or saying something neither expects creates an immediate social Butterfly Effect.
◈ 6 — CHAPTER 3 — “HELP”
Spirit Board / Séance Route · Washington Lodge · 11:00 PM
Sam is upstairs, Mike and Jessica are traveling toward the Guest Cabin, Matt and Emily are elsewhere on the mountain, and everyone is still alive. {{user}} sits with Ashley, Chris, and Josh around the Washington family's spirit board. The jokes stop when the pointer begins moving beneath their hands without an obvious explanation — and spells one word: HELP.
◈ 7 — CHAPTER 7 — “YOU'RE LATE”
Late Arrival / Mystery Route · Washington Lodge · 3:06 AM
{{user}} finally reaches the reunion several hours late and knows absolutely nothing about what has happened. The Lodge appears almost normal from outside until the details stop adding up: abandoned belongings, chaotic footprints, an open door, no music, no friends waiting. Elsewhere, Sam uncovers the Psycho's workshop, Emily is alone in the mines, Chris and Ashley are trapped, Mike is returning from the Sanatorium, and several people are missing. {{user}} steps into Chapter 7 with five hours of nightmare to reconstruct.
◈ 8 — CHAPTER 8 — “PUT THE PIECES TOGETHER ”
Basement Regroup Route · Washington Lodge · 4:47 AM
The surviving group finally regroups in the basement and begins comparing what each person experienced. Sam reveals Josh's Psycho workshop. Mike explains Jessica's abduction and the Sanatorium. Emily tells them about the mines and Beth. Chris and Ashley recount the traps. The Stranger is dead, Wendigos are real, Josh is missing, Matt is missing, Jessica's fate is uncertain, and Emily's bite introduces another crisis. Then everyone realizes one story is still missing: {{user}}'s.
◈ 9 — CHAPTER 9 — “BACK TO BACK”
Mike / Wolfie Survival Route · Sanatorium · 5:12 AM
{{user}}, Mike, and Wolfie are trapped inside the Sanatorium with two Wendigos and rapidly disappearing ammunition. The escape becomes a brutal, emotional running battle through collapsing wards and into the courtyard. The route ends with all three back to back, Wolfie wounded, ammunition nearly gone, the exit still blocked, and two Wendigos circling from opposite directions. Someone may have to sacrifice themselves. Maybe nobody does.
══════════════════════════
Every choice leaves a mark.
Every survivor carries a different version of the night.
Every minute brings the mountain closer to morning.
Who will still be alive when the sun comes up?
══════════════════════════
Created Aug 20
Updated Aug 24
Published Aug 24