Wikia

Main Ventilation Shaft Section B
	; Part of the shaft
Game	Metroid Prime
Planet/Ship	Frigate Orpheon/Tallon IV
Area	Frigate Orpheon/Tallon Overworld (Crashed frigate area)
Notable features	Before crash: none After crash: Rock bursting through shaft, De-energized Door
Significance	Before crash: Escape route After crash: Entrance to crashed frigate area
Enemies/wildlife	Before crash: Auto Defense Turrets After crash: Auto Defense Turrets, Sap Sac

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Main Ventilation Shaft Section B is part of a network of ventilation shafts in the Frigate Orpheon in Metroid Prime that Samus travels through after the Parasite Queen battle in order to escape the frigate. This section opens out into a room with 2 Auto Defense Turrets at one point.

The room remains relatively intact after Orpheon crashed into the Tallon Overworld. A large rock wall has broken through part of the shaft. Both Auto Defense Turrets are both still active and are in fact stronger than before. A Sap Sac is found connected to the rock wall. The door leading to the hallway leading to Main Ventilation Shaft Section A was de-energized, requiring Samus to shoot a Power Conduit above the door with the Wave Beam.

Connecting roomsEdit

Main Ventilation Shaft Section A (via Blue Door)
Main Ventilation Shaft Section C (via Blue Door)

InhabitantsEdit

2 Auto Defense Turrets
Sap Sac (Post Crash)

ScansEdit

Sap Sac: "Species: Sap Sac; Chemical reaction within sac produces mild explosion when agitated."

TriviaEdit

For some reason, the Sap Sac that appears in this room after the crash doesn't provide Samus with the same scan as most Sap Sacs and doesn't download its entry to the Logbook. It is possible that a logbook entry was not originally intended to be given to Sap Sacs, and that the developers forgot to change this specific Sac's scan.

Rooms in Metroid Prime
Frigate Orpheon	Exterior Docking Hangar • Air Lock • Deck Alpha Access Hall • Emergency Evacuation Area • Deck Alpha Umbilical Hall • Map Facility • Connection Elevator to Deck Beta • Deck Beta Conduit Hall • Biotech Research Area 1 • Deck Beta Security Hall • Biohazard Containment • Deck Beta Transit Hall • Cargo Freight Lift to Deck Gamma • Reactor Core Entrance • Save Station • Reactor Core Deck Gamma Monitor Hall • Subventilation Shaft Section A • Subventilation Shaft Section B • Main Ventilation Shaft Section A • Main Ventilation Shaft Section B • Main Ventilation Shaft Section C • Main Ventilation Shaft Section D • Main Ventilation Shaft Section E • Main Ventilation Shaft Section F • Biotech Research Area 2 • Connection Elevator to Deck Alpha • Deck Alpha Mech Shaft
Tallon Overworld	Landing Site • Canyon Cavern • Tallon Canyon • Transport Tunnel A • Transport to Chozo Ruins West • Root Tunnel • Root Cave • Arbor Chamber • Transport Tunnel B • Transport to Magmoor Caverns East • Gully • Alcove • Waterfall Cavern Temple Hall • Temple Security Station • Temple Lobby • Artifact Temple Frigate Crash Site • Overgrown Cavern • Transport Tunnel C • Transport to Chozo Ruins East • Frigate Access Tunnel • Main Ventilation Shaft Section C • Main Ventilation Shaft Section B • Main Ventilation Shaft Section A • Reactor Core • Reactor Access • Save Station • Cargo Freight Lift • Deck Beta Transit Hall • Biohazard Containment • Deck Beta Security Hall • Biotech Research Area 1 • Deck Beta Conduit Hall • Connection Elevator to Deck Beta • Hydro Access Tunnel Great Tree Hall • Great Tree Chamber • Transport to Chozo Ruins South • Transport Tunnel D • Transport Tunnel E • Transport to Phazon Mines East • Life Grove Tunnel • Life Grove
Chozo Ruins	Transport to Tallon Overworld North • Ruins Entrance • Main Plaza • Nursery Access • Eyon Tunnel • Ruined Nursery • Save Station 1 • North Atrium • Ruined Gallery • Map Station • Totem Access • Hive Totem • Transport Access North • Transport to Magmoor Caverns North • Vault Access • Vault • Plaza Access • Ruined Shrine Access • Ruined Shrine • Tower of Light Access •Tower of Light • Tower Chamber • Ruined Fountain Access • Ruined Fountain • Meditation Fountain • Magma Pool • Training Chamber Access • Training Chamber • Piston Tunnel • Arboretum Access • Sunchamber Lobby • Sunchamber Access • Sunchamber • Sun Tower Access • Sun Tower Arboretum • Gathering Hall Access • Gathering Hall • Save Station 2 • Watery Hall Access • Watery Hall • Dynamo Access • Dynamo • East Atrium • Energy Core Access • Energy Core • Burn Dome Access • Burn Dome • West Furnace Access Furnace • East Furnace Access • Crossway Access West • Crossway • Crossway Access South • Elder Hall Access • Hall of the Elders • Elder Chamber • Reflecting Pool Access • Reflecting Pool • Antechamber • Save Station 3 • Transport to Tallon Overworld East • Transport Access South • Transport to Tallon Overworld South
Magmoor Caverns	Transport to Chozo Ruins North • Burning Trail • Save Station Magmoor A • Lake Tunnel • Lava Lake • Pit Tunnel • Triclops Pit • Storage Cavern • Monitor Tunnel • Monitor Station • Transport Tunnel A • Transport to Phendrana Drifts North • Warrior Shrine • Shore Tunnel • Fiery Shores • Transport Tunnel B • Transport to Tallon Overworld West Twin Fires Tunnel • Twin Fires • North Core Tunnel • Geothermal Core • Plasma Processing • South Core Tunnel • Magmoor Workstation • Workstation Tunnel • Transport Tunnel C • Transport to Phendrana Drifts South • Save Station Magmoor B • Transport to Phazon Mines West
Phendrana Drifts	Transport to Magmoor Caverns West • Shoreline Entrance • Phendrana Shorelines • Save Station B • Ice Ruins Access • Ice Ruins East • Plaza Walkway • Ruins Entryway • Ice Ruins West • Canyon Entryway • Phendrana Canyon • Temple Entryway • Chozo Ice Temple • Chapel Tunnel • Chapel of the Elders Courtyard Entryway • Ruined Courtyard • Save Station A • Specimen Storage • Research Entrance • Map Station • Hydra Lab Entryway • Research Lab Hydra • Observatory Access • Observatory • Save Station D • West Tower Entrance • West Tower • Control Tower • East Tower • Aether Lab Entryway • Research Lab Aether • Research Core Access • Research Core • Quarantine Access • North Quarantine Tunnel • Quarantine Cave • Quarantine Monitor • South Quarantine Tunnel • Transport to Magmoor Caverns South Transport Access • Frozen Pike • Pike Access • Frost Cave Access • Frost Cave • Save Station C • Upper Edge Tunnel • Phendrana's Edge • Storage Cave • Security Cave • Lower Edge Tunnel • Hunter Cave • Lake Tunnel • Gravity Chamber • Chamber Access • Hunter Cave Access
Phazon Mines	Transport to Tallon Overworld South • Quarry Access • Main Quarry • Save Station Mines A • Security Access A • Mine Security Station • Security Access B • Storage Depot A • Elite Research • Research Access • Ore Processing • Elevator Access A • Elevator A • Storage Depot B • Waste Disposal Elite Control Access • Elite Control • Maintenance Tunnel • Ventilation Shaft • Omega Research • Map Station Mines • Dynamo Access • Central Dynamo • Save Station Mines B • Quarantine Access A • Metroid Quarantine A • Elevator Access B • Elevator B Fungal Hall Access • Fungal Hall A • Phazon Mining Tunnel • Fungal Hall B • Missile Station Mines • Quarantine Access B • Metroid Quarantine B • Save Station Mines C • Elite Quarters Access • Elite Quarters • Processing Center Access • Phazon Processing Center • Transport Access • Transport to Magmoor Caverns South
Impact Crater	Crater Entry Point • Crater Tunnel A • Phazon Core • Crater Missile Station • Crater Tunnel B • Phazon Infusion Chamber • Subchamber 1 • Subchamber 2 • Subchamber 3 • Subchamber 4 • Subchamber 5 • Metroid Prime Lair
Unused	Engine Room • Reactor Room

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Main Ventilation Shaft Section B

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Connecting roomsEdit

InhabitantsEdit

ScansEdit

TriviaEdit

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Main Ventilation Shaft Section B
Part of the shaft
Game	Metroid Prime
Planet/Ship	Frigate Orpheon/Tallon IV
Area	Frigate Orpheon/Tallon Overworld (Crashed frigate area)
Notable features	Before crash: none After crash: Rock bursting through shaft, De-energized Door
Significance	Before crash: Escape route After crash: Entrance to crashed frigate area
Enemies/wildlife	Before crash: Auto Defense Turrets After crash: Auto Defense Turrets, Sap Sac