Slipspace portal

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A slipspace portal generator on an unknown world.

Slipspace portals are a method of slipstream space transit developed by the Forerunners. Essentially a large-scale application of slipspace translocation, slipspace portals are designed to transport enormous amounts of mass between two fixed points on a continuing basis.[1][2]

Although distinct from fixed-point portal transit, the slipspace ruptures opened by a starship's slipspace drive are also sometimes termed as "portals".[3]

Description[edit]

The Halo Array being deployed into a portal.

Mechanics[edit]

Large constructs, such as the Halo installations, could be transported across interstellar distances through the use of portals. The transition of such a large object would slow down other slipspace traffic in the entire galaxy due to the buildup of an effect known as reconciliation.[4] While designed for large-scale transit, portals have a limited transit capacity and can be strained or even destroyed if this capacity is exceeded.[5] Portals also have a system that filters unnecessary objects such as debris, discarding them into the volume of slipspace.[6] While passage through a portal is remarkably faster than an ordinary slipspace jump, portal transit is not instantaneous; for example, the passage from the Earth portal to the Ark took over three weeks.[7]

Portals may be generated by groundside facilities which vary in overall architecture but are typically enormous,[8] or generator systems situated in space.[9][10] Portals generated within an atmosphere are often accompanied by severe weather disturbances.[8][11] Dedicated ancillas were often tasked with maintaining portals. Certain portals are designed to activate only when a specific code sequence is transmitted or a device, such as the Conduit, is inserted into a machine capable of generating such portals.[10][12][13] Others, such as the one on Earth, require a keyship to function.[11]

Appearance[edit]

Portals are similar in appearance to a slipspace rupture generated by a slipspace drive, appearing as holes into the pitch-black void of slipspace and surrounded by blue-violet energy and supported by a web of hard light.[11][9] Some portals, however, allow visibility to the destination on the other side.[14][8]

Usage[edit]

The Forerunners had a network of portals that allowed fast passage throughout their ecumene. Some systems, including that of the capital, had portal installations that connected to multiple worlds.[9] The Librarian used an array of portals to travel to the worlds where she collected the various species of the galaxy for indexing at the Ark. The same network was used to transport the Halo rings.[15] The portals in this network could only be activated by a special type of vessel, known as a keyship,[16] most of which were eventually destroyed by the Librarian in order to prevent the Flood from reaching the Ark.[17] The generator device for one of the Librarian's portals was buried near the town of Voi on Earth, and was later activated by the Covenant, who were in possession of the last known remaining keyship, known as the Forerunner Dreadnought.[11] Faber, the Master Builder, had a secret private portal constructed allowing transit from the vicinity of the greater Ark to Installation 00. This portal could only be activated by inserting a specific code known only to the Master Builder. Transit through the portal was also distinctly more comfortable than in most normal slipspace portals due to the Master Builder's wealth and power.[10]

An unknown variant of a portal-generating machine was present in the jungles of Installation 03, and was only able to be activated via the Conduit's interaction with another machine found at the installation's Altar complex. Furthermore, the activation of the Altar triggered the opening of slipspace portals around the galaxy by way of these generator machines; one such machine in the Halo's jungle directly linked to another machine residing in an ONI facility in Arizona on Earth, enabling slipspace travel between the two locations. It is unknown if these portals provide two-way travel between Installation 03 and Earth exclusively, or are part of the Forerunner's vast network of portals at large.[12][13][18]

Trivia[edit]

The Halo: Reach multiplayer map High Noon is set in an observation platform of a portal generator. This portal facility is noticeably different from the Earth portal; in addition to a different structural design, the area of space beyond the portal is visible, as opposed to complete blackness. This particular portal device also generates a storm of swirling debris in the immediate area around the portal, just beyond the map's borders.[19]

Gallery[edit]

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List of appearances[edit]

Sources[edit]

  1. ^ Halo: Cryptum, page 200
  2. ^ Halo: Cryptum, page 274
  3. ^ Halo: Silentium, page 188
  4. ^ Halo: Cryptum, page 104
  5. ^ Halo: Cryptum, pages 313-314
  6. ^ Halo: Cryptum, page 323
  7. ^ Halo Waypoint, Hero-Fortitude
  8. ^ a b c Halo: Combat Evolved Anniversary, multiplayer map High Noon
  9. ^ a b c Halo: Cryptum, page 312
  10. ^ a b c Halo: Silentium, page 308
  11. ^ a b c d Halo 3, campaign levels, The Storm and Floodgate
  12. ^ a b Halo: Spartan Strike, Operation C: Valiant Hammer
  13. ^ a b Halo: Spartan Strike, Operation D: Adamantine Shield
  14. ^ Halo: Combat Evolved Anniversary, Terminal 2
  15. ^ Halo: Cryptum, page 310
  16. ^ Halo Waypoint: The Halo Bulletin: 11/9/11
  17. ^ Halo 3, Terminal 4
  18. ^ Halo: Spartan Strike, Operation E: Brother's Keeper
  19. ^ Halo Waypoint: The Halo Bulletin: 10/19/11