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Read at own risk This article contains unmarked spoilers. Players new to the game would want to avoid or be cautious toward this article. |
Translating local alien broadcast... WARNING: Vaccine development program terminated. Emperor egg hatching project terminated. Live specimens terminated. Evacuate immediately.
― PDA, Dialogue
The Primary Containment Facility (PCF), also known as the Emperor Containment Facility or Sea Emperor Prison or merely the Prison, is a Alien Base located within the Lava Lakes that serves as the final major story location. It was built by the Precursor Race around one thousand years ago and is where the last Sea Emperor Leviathan is contained, along with the five remaining Sea Emperor Leviathan Eggs. There are two entrances to the cavern containing the Primary Containment Facility; located at -300 -1270 -150 and 90 -1240 360, southeast and directly north of the Lava Castle, respectively.
The Primary Containment Facility requires the Blue Tablet to unlock, which is found inside the Alien Thermal Plant.
The Primary Containment Facility, like the other Alien Bases, was built a little under one thousand years ago. It was built to contain the Sea Emperor Leviathan after it was discovered that it was immune to Carar. The aquarium section was originally all inorganic with two Arch hubs set up (though none large enough to allow the Sea Emperor Leviathan's escape). However, as creatures began migrating into it, they brought with them flora seeds along with loose sand and mud. Over time, the aquarium became a thriving ecosystem with the Sea Emperor Leviathan at the heart. Five of the eggs that the Sea Emperor was found with were placed in the Incubator Device to stimulate the hatching process as it was deduced that the young would be a more viable source of the cure, rather than their parent who was weak. But the aquarium was not a suitable environment for the eggs to hatch which was built to match the ideal environment for an adult Sea Emperor Leviathan, which differ from the ideal conditions for a juvenile Emperor, causing the eggs to go into a form of natural stasis for a seemingly indefinite amount of time, kept alive by the Incubator.
Antechamber
Antechamber
The first room in the Primary Containment Facility. It is huge and roughly octagonal in shape. A large pillar, called the Ion Cube Fabricator, lies in the center of the chamber, which is used to create Large Ion Cube Deposits. Around this pillar are cases containing the Alien Relics, six on each side. There are six doorways around the side walls of the Antechamber, the four doors positioned at diagonals lead to teleporter rooms the other two leading to the "Pipe Room" and "Egg Laboratory". Above the entrance another doorway can be found and accessed by ramps on either side of the entrance, this door leads to the "Baby Experiment Lab". At the far end of the Antechamber is another door blocked by a force field that leads to the Moonpool Room, along with its respective Forcefield Control. The Antechamber also has many specimen cases containing artifacts the Precursors collected, most originating from other alien races.
Relics
Alien Relics
A collection of eleven relics are kept in the Primary Containment Facility,with one of human origin, some of Precursor origin, but most from other, unidentified alien species. Further information on these relics can be found here: Alien Relics.
Egg Laboratory
Egg Laboratory
(for images see gallery)
This laboratory is accessed through the middle door on the right side of the antechamber. This purpose of this laboratory was to study the hatching processes of local life form's eggs in order to find out how to hatch the Sea Emperor Leviathan eggs. As such, the laboratory contains many eggs from the local life forms, forty three eggs are kept here in total, including one Sea Emperor Leviathan egg and two Sea Dragon Leviathan eggs.
Pipe Room
Pipe Room
(for images see gallery)
Although this room is not huge, the pipes originating from it cover tens of thousands of meters. This room's purpose is to pump cool, oxygen rich water from the surface biomes into, and remove the oxygen deprived water from the aquarium to keep an ideal environment for the Sea Emperor Leviathan. This room also contains five small aquariums that are filled with various coral and flora species, these aquariums have pipe exits in them so are presumably for the purpose of enriching the circulating water with plant and coral matter. The Sea Emperor Leviathan using its telepathic abilities, trained Peepers to use the pipe system to distribute Enzyme 42 to the surface biomes, keeping a small amount of life on the planet alive.
Dissection Lab
Dissection Lab
(for images see gallery)
This small room contains a few Sea Emperor Leviathan eggs that have been forcibly opened, as well as a dead Sea Emperor Leviathan fetus on a dissection table. Scanning these items reveals that the Precursors were desperate in trying to obtain Enzyme 42 when their attempts to naturally coax the eggs to hatch failed.
Moonpool Room
Moonpool Room
A large room accessed through a door at the far end of the Antechamber, the main point of interest in this room is the large moonpool from which it draws its name. The Moonpool leads to an observation platform above the Sea Emperor Leviathan's Aquarium where the player will encounter the Sea Emperor Leviathan for the first time. At the far end of this room is a doorway leading to an Alien Arch, which links to an Alien Arch in the Aquarium.
The Moonpool Room cannot be accessed unless the forcefield securing the entrance has been disabled, which can be done using a Blue Tablet at a control, located in the Antechamber.
Aquarium
Sea Emperor's Aquarium
The main feature of the Primary Containment Facility is a huge aquarium containing the Sea Emperor Leviathan and the five Sea Emperor Leviathan Eggs. The Aquarium is teeming with life; schools of fish, coral, grasses and Flora being scattered all around, some parts of the Aquarium resemble the Grand Reef, and it also has small cave systems. Many large pillars made from the same material as Alien Bases can be found running in two lines, parallel to each other in the middle of the Aquarium.
Pipe System
Pipe System
Eight Alien Vent Entrance Points are located in the aquarium, which pump oxygen-rich water into the aquarium to allow the Sea Emperor Leviathan to stay alive. Peepers use these vents to travel to their corresponding points on the surface, as well as to return from them.
Incubator Device
Incubator Device
The Incubator Device is found in a large hollow in the ground surrounded by small mounds of rock amongst which the Emperor will nestle itself whenever the player gets close to the eggs. There is a teleporter directly behind the Incubator, which goes to a teleporter near the Quarantine Enforcement Platform.
Other Data Bank Entries
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This device appears to be the origin of the raw mineral that forms the base of the ion cubes which power smaller alien systems. Likely drawing power itself from the main thermal plant, this device may represent an almost limitless source of energy. |
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Shell Composition: The shell casing is formed from thick layers of carbon-composite, suggesting an extensive gestation period. This leviathan species may give birth just once per century, perhaps just once in their lifetimes. Shell Casing Incisions: Precise incisions suggest a laser-based tool was used to cut open the egg casing and forcibly remove the fetus inside, prior to full gestation. Analysis:
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Scans indicate this arch has not been active since the facility was abandoned. It likely served as an access point to the surface of the planet. It is much too small for the emperor specimen to pass through, but should accommodate smaller organisms. |
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This fetus matches available biological data for the sea emperor leviathan. It was likely a child of the adult specimen contained within this facility. Physiology:
Analysis:
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Gallery
.gif "CrystalFab(2).gif (5.2 MB)")
Trivia
- The previous name for the Primary Containment Facility was the Primary Research Facility.
| Precursor objects in Subnautica | |
|---|---|
| Main bases |
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| Lesser structures | |
| Caches | |
| Other | |