Shield world

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Shield worlds are Forerunner installations originally designed as a defensive strategy against the Flood and an alternative to the Halo Array. As opposed to sterilizing the whole galaxy at once, shield worlds would act as a more precise and conventional solution, serving as both refuges for local populations and powerful military fortresses from which to carry out strategic campaigns against the Flood. Several varieties of shield worlds were designed over nearly nine thousand years; in some iterations the interior was suspended in fractal slipspace, protecting organisms within from the Halos' destructive pulse.[1] A prevalent variation of the shield world concept, known as a conservation sphere, was specifically designed in tandem with the Conservation Measure, sheltering various evacuated species from the Halo effect.[2] Scattered across the Forerunner ecumene, the shield worlds outnumber the Halos by a large margin.[3][2] The shield worlds were collectively known as "the Shield", while the Halos were collectively known as "the Sword".[4]

History[edit]

Shield worlds were used by the Warrior-Servants as military outposts for thousands of years before the Forerunner-Flood war.[5][6] The first shield world, the Prometheans' military operations hub known as Requiem, was constructed long before the human-Forerunner wars in 110,000 BCE.[7]

After the Forerunners learned of the parasite known as the Flood in the later stages of the war with the humans, the Didact began to champion the construction of more shield worlds as part of his star-hopping strategy. These would be designed as facilities from which to fight and research the Flood, an alternate solution to Master Builder Faber's plan to construct the Halos. Numerous shield worlds of different configurations were built over the span of several thousands of years, but the Builder rate's growing influence eventually led the Old Council to deem the Master Builder's Halo project superior. The Didact, who stubbornly continued to advocate his strategy to the Council, was ordered to cease his project and was forced into exile.[8]

Though the construction of the shield worlds was abandoned, they still found use as shelters for the various species the Lifeworkers indexed and collected in the Conservation Measure. Many Forerunners also intended to evacuate to the shield worlds, but the betrayal by the Forerunners' supreme defense AI Mendicant Bias and its defection to the Flood forced the Forerunners to abandon these plans, as Mendicant Bias revealed the locations of the shield worlds to the Flood.[9]

Known types[edit]

Conservation sphere[edit]

A holographic diagram of Shield World 0459.

A common iteration of the shield world concept,[2][10] known as the conservation sphere,[2] consists of an artificial planetary surface encapsulating a miniature Dyson sphere. Beneath the artificial planetary surface span kilometers of machinery, including many access portals which lead to the sphere's interior; these portals remain sealed when not in use. The interior of the installation is hollow and features a vast terraformed surface and a miniature artificial star. At least one such installation, Shield 0459, had an interior diameter of 2,873 kilometers (1,787 miles).[2][11][12]

While these installations provide safety from the firing of the Halo Array, many possess weapons that can be used to defend the installation's inhabitants, and some even harbor fleets of warships.[13] These defenses can be activated from an installation's control room or equivalent control center, which sometimes takes the form of an airborne platform; however, the control center must be activated by a human: a Reclaimer.[14][2]

Certain planets are home to conservation sphere waystations, stellar cartographers housing directions to nearby conservation spheres. One such facility was located on the human colony Harvest.[15]

The Covenant owe much of their rapid technological advancement to the discovery of a small number of these worlds, which they discovered early in their history and stripped of usable technologies.[10]

Initial design[edit]

The first variety of shield world and the template for the entire concept bears several key differences from the conservation sphere.[7] This variant features an entirely artificial, heavily armored outer surface, apparently lacking terraforming of any kind, and contains a number of concentric miniature Dyson shells within its outer shell. Like the exterior, the interior surface of the outer shell is mechanized, and features a light source for warmth and illumination. Another sphere, containing a terrestrial surface oriented similarly to a planet, is located below the outer shell. The interior of this shell contains the hollow core of the shield world and a Dyson shell-like inverted surface.

The only known example of this type of shield world is Requiem, which is also known to be the most well-fortified shield world in existence.[5] However, Requiem was not evidently equipped with shielding against the Halo effect.[16]

Micro Dyson sphere[edit]

The main component of this type of shield world is a Dyson sphere located within a bubble of compressed Slipstream space. The only entrance to the interior is a small portal within the core of an artificial planet built around the core. Access to these shield worlds is possible only upon the imminent activation of the Halo Array.[17]

The Dyson sphere within this type of shield world is enormous; Shield World 006, for example, is two astronomical units (300 million kilometers) in diameter. As with the more common conservation spheres, micro Dyson sphere-type shield worlds feature vast terraformed surfaces and a single artificial star. The inner Dyson sphere resides within a slipspace bubble and is thus accessible only from the core room antechamber in the heart of the artificial planet formed around the structure. In normal space, the slipspace bubble is radically smaller than the interior, being only a few meters in diameter, hence the moniker "micro Dyson sphere".

Known shield worlds[edit]

Shield World 0001[edit]

Main article: Requiem

Shield World 0001,[18] commonly known as Requiem, is the oldest shield world, having been built long before the human-Forerunner war, and served as a template during the construction of the other Shield Worlds.[7] Requiem was a unique type of shield world which once served as the nexus of operations for the Promethean class of Warrior-Servants, but remained sealed off since the conclusion of the Forerunner-Flood conflict.[5] John-117 and Cortana found themselves on Requiem in July 2557,[19] where they encountered Jul 'Mdama's Covenant, the occupying Prometheans, and eventually the crew of the UNSC Infinity. John accidentally released the Ur-Didact from his imprisonment in the core of the shield world and after helping the Infinity escape, attempted to stop him from reaching the machine known as the Composer. The Didact escaped in his ship Mantle's Approach but the two successfully pursued him.[20] Six months later, in February 2558, the UNSC, the Covenant remnant and the Promethean forces returned to fight for control of the shield world,[21] which ended when the Covenant remnant leader, Jul 'Mdama, put Requiem on a collision course with its sun, destroying it.[22]

Shield World 006[edit]

Main article: Trevelyan

Shield World 006,[23] designated "ONI Research Facility Trevelyan" by the UNSC,[24] is a Dyson sphere formerly housed within a slipspace bubble of compressed dimensionality, having a diameter of only 23 centimeters in normal space.[25] The slipspace bubble was located in the center of the artificial planet Onyx before the planet dissolved and the slipspace rift was deactivated.[26] The sphere itself is approximately two astronomical units (300 million kilometers) in diameter and weighs approximately 1.37 solar masses. The Dyson sphere's default environmental conditions are suitable for Earth-based life, but the climate settings could be adjusted for other species' requirements. When Onyx was intact, the only means of access to Shield World 006 was a small portal, which was located inside a massive antechamber in the core of the artificial planet.[17]

Near the end of the Battle of Onyx on November 3, 2552, Covenant Fleet Master Voro Nar 'Mantakree led his forces in an attempt to access Shield World 006. However, Spartan Kurt Ambrose detonated a pair of FENRIS nuclear warheads within the core room antechamber after his comrades had passed through the portal, denying the Covenant access. The human survivors, including SPARTAN-II Blue Team, several SPARTAN-IIIs, Dr. Catherine Halsey, and Senior Chief Petty Officer Franklin Mendez, were then trapped within the shield world. Shortly thereafter, the installation's Sentinels destroyed the artificial surface of Onyx.[27] After spending several days in the sphere — over three months in normal space-time — the survivors encountered a population of Huragok which had been left behind to maintain the sphere. They eventually managed to convince the Huragok into transitioning the shield world into normal space.[28] Soon after, the Office of Naval Intelligence made the installation into a research facility in order to acquire the Forerunner technologies housed there.[24]

Shield World 0459[edit]

Main article: Shield World 0459

Shield World 0459 was a standard conservation sphere: a hollow construct with a terraformed surface and an artificial star, surrounded by an artificial planetary shell. The interior of this construct could be accessed through one of the numerous access tunnels located around the surface. Like many shield worlds, Shield 0459 harbored a fleet of dreadnoughts for defense of its inhabitants. At some point, much of the planet's surface had been consumed by the Flood, giving it a barren, desert-like appearance.

During the Battle of Shield 0459 in February 2531, the crew of the UNSC Spirit of Fire encountered the Flood on the surface of and later within the shield world. Upon rescuing Professor Ellen Anders, whom Arbiter Ripa 'Moramee had captured in order to activate the installation's fleet of Forerunner dreadnoughts, the crew realized the danger this fleet could pose to humanity. Thus, they decided to sacrifice Spirit of Fire's slipspace drive, causing a supernova within the shield world's artificial star and destroying the vessels. This plan was successful: Shield 0459 was pulverized by the ensuing explosion, the dreadnoughts were destroyed, and all the Covenant forces and Flood forms on the installation were killed.[11]

Trivia[edit]

Cortana's line in the Halo 3 announcement trailer, "I am your shield. I am your sword," echoes the Forerunners' reference to the shield worlds as "the Shield" and the Halos as "the Sword".

Gallery[edit]

List of appearances[edit]

Sources[edit]

  1. ^ Halo: Ghosts of Onyx, page 364-365
  2. ^ a b c d e f Halo: The Essential Visual Guide, page 174
  3. ^ Halo: Cryptum, page 273
  4. ^ Halo: Ghosts of Onyx, page 310
  5. ^ a b c Halo 4 Interactive Guide
  6. ^ Halo 4, Terminals
  7. ^ a b c Halo: Silentium, page 278
  8. ^ Halo: Silentium, page 47
  9. ^ Halo Encyclopedia, page 232
  10. ^ a b Halo Wars, Timeline
  11. ^ a b Halo Wars, campaign level Escape
  12. ^ Halo Waypoint: Shield World
  13. ^ Halo: The Essential Visual Guide, page 35
  14. ^ Halo Wars
  15. ^ Halo Waypoint: Catalog Interaction (post 2972799)
  16. ^ Halo Waypoint - The Halo Bulletin: 9.24.14
  17. ^ a b Halo: Ghosts of Onyx, page 311
  18. ^ DK Publising - Halo 4: The Essential Visual Guide Preview
  19. ^ Game Informer (May 2012), page 41
  20. ^ Halo 4 - Shutdown
  21. ^ Spartan Ops, S1E1 Departure
  22. ^ Spartan Ops: S1E10 Exodus
  23. ^ Halo: The Thursday War, page 120
  24. ^ a b Halo: Glasslands, page 397
  25. ^ Halo: Glasslands, chapter 10
  26. ^ Halo: Glasslands, page 378
  27. ^ Halo: Ghosts of Onyx, page 378
  28. ^ Halo: Glasslands, page 380