Story Structure — 5 Plot Phases
The Marker Awakens
A colony geologist discovers the Marker on Aegis VII. The artifact is brought aboard the Ishimura despite growing signs of psychological collapse.
Key Events
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Warning from the Lost Ship — A security chief warns that the Ishimura and the Marker must be destroyed.
Location: Ishimura
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Marker Discovery — A colony geologist discovers a monolith-like Marker in an area showing signs of ancient mining.
Location: Aegis VII mining site
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Colony Breakdown — The colony suffers deaths, violent behavior, psychosis, and a catastrophic social collapse.
Location: Aegis VII colony
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The Marker Reaches Ishimura — Captain Mathius authorizes bringing the Marker aboard, while Unitologists begin worshipping it. Characters: Captain Mathius / Farum (voice), Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura cargo area
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Warnings About the Marker — The Marker becomes an object of devotion as concerns grow about its connection to the colony's collapse. Characters: Captain Mathius / Farum (voice), Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura interior
Colony Silence
Planetcrack cuts off contact with Aegis VII, which is overrun by reanimated mutated corpses. An infected body reaches the Ishimura and carries the disaster aboard.
Key Events
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Planetcrack Contact Lost — After planetcrack, contact with the colony is lost and Aegis VII is overrun by reanimated mutated corpses.
Location: Aegis VII orbit
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The Colony Is Overrun — The colony is completely overwhelmed by the outbreak.
Location: Aegis VII colony
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The Infected Body Escapes — An infected body is carried from the colony to the Ishimura, allowing the outbreak to spread aboard the ship.
Location: Ishimura access route
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Disturbance Investigation — A security team investigates a disturbance and finds mutated corpses killing crew members. Characters: Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura corridors
Shipwide Collapse
The outbreak spreads through the Ishimura while the captain becomes paranoid and delusional. His death and the launch of the escape pods leave the ship sealed.
Key Events
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Outbreak Spreads Through Ship — The mutated corpses multiply and begin overtaking the Ishimura. Characters: Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura crew decks
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Irons Saves a Crewmate — Samuel Irons intervenes and saves a crew member during an encounter with the mutated corpses. Characters: Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura corridors
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Captain Mathius Loses Control — Captain Mathius becomes increasingly paranoid and delusional, forcing the bridge crew to restrain him. Characters: Captain Mathius / Farum (voice)
Location: Ishimura bridge
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The Captain Dies — An attempt to sedate Captain Mathius leads to his death. Characters: Captain Mathius / Farum (voice)
Location: Ishimura bridge
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Escape Pods Launch — All escape pods are launched, trapping the remaining people aboard the Ishimura.
Location: Ishimura launch bay
Sacrifice and Revelation
Crew members fight through the ship as Samuel Irons sacrifices himself. The Marker's influence and its connection to the outbreak become clearer.
Key Events
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Crew Member Turns Violent — A crew member becomes insane and attacks another member before being shot by a teammate. Characters: Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura passageways
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Irons Makes a Sacrifice — Samuel Irons sacrifices himself to hold back the mutated corpses and give survivors time to proceed. Characters: Samuel Irons / Pendleton / Miner (voice)
Location: Ishimura corridors
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Threat to the Engines — A plan emerges to deactivate the Ishimura's engines and send the ship crashing into Aegis VII. Characters: Captain Mathius / Farum (voice)
Location: Ishimura engineering section
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Marker Influence Revealed — The Marker's influence is revealed as the force behind the outbreak and the characters' mental deterioration.
Location: Ishimura route to the bridge
Beacon in the Void
A survivor records a final warning and attempts to escape. The survivor opens the bay doors, launches a distress beacon, and is expelled into space.
Key Events
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The Marker Remains Untouched — The Marker is reached, while the mutated corpses cannot approach it because it kept them sealed on Aegis VII.
Location: Ishimura Marker chamber
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Final Warning Recorded — An exhausted survivor records a warning about the lost ship and the Marker.
Location: Ishimura Marker chamber
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Shuttle Bay Escape Attempt — A survivor launches a distress beacon but is trapped by mutated corpses inside the shuttle bay.
Location: Ishimura shuttle bay
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Vacuum Sacrifice — Opening the bay doors sends the survivor and nearby mutated corpses into space after the beacon is launched.
Location: Ishimura shuttle bay
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Distress Call Answered — The UGS Kellion responds to the distress call, setting up the next stage of the crisis.
Location: Space near Aegis VII