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| {{Status|Canon}} | | {{ratings}}{{Era|H2}} |
| {{Center|For the barrier that once surrounded the [[San'Shyuum home system]], see [[quarantine shield]].}} | | The '''Containment Shield''' is a shield wall in [[Halo 2]] on the level [[Sacred Icon (Level)|Sacred Icon]]. It helped contain and enclose the [[Flood]] inside the [[Quarantine Zone]], and keep out anything that could sustain the Flood. It also appears to be a sort of energy field that doesn't allow anything through either way. In Halo 2, it was found guarding the Quarantine Zone, and keeping the [[UNSC]] forces stationed of Delta Halo (as well as the [[Thel 'Vadam|Arbiter]]) from reaching [[The Index]]. It had to be lowered and deactivated in order for the [[Arbiter (character)|Arbiter]] to enter the [[Library]] and recover the index. In order the lower the Containment Field, the Arbiter fought his way through the [[Sentinel]] defenders and deactivated the generators for the shield. However, the generator couplings were protected by a Sentinel [[Enforcer]]. After destroying the Enforcer, the Arbiter finally deactivated the shield. This allowed access to the Quarantine Zone by the [[Covenant]] and the [[UNSC]], giving the Flood hundreds of new hosts. The Flood was released onto the rest of [[Installation 05]]. As a result of this the UNSC ''[[UNSC In Amber Clad|In Amber Clad]]'' was taken over by the Flood and flown into the Covenant city of ''[[High Charity]]''. |
| [[File:H2-Containment shield 2.png|thumb|250px|The containment shield on [[Installation 05]] as observed from within the Sentinel Wall.]]
| | [[Category:Technology]] |
| '''Containment shields''' are massive [[Hardlight|hard light barriers]] that can be created by [[Sentinel]] forces to quarantine an area. One was projected from the [[Sentinel Wall]] around [[Installation 05]]'s [[Library]]. One of the many containment measures built by the [[Forerunner]]s, it helped contain and enclose the [[Flood]] inside the [[Quarantine Zone]], and keep out anything that could sustain the Flood. It had to be lowered and deactivated in order to enter the Library and recover the [[Activation Index]].<ref name="h2">'''[[Halo 2]]''', campaign level ''[[Sacred Icon]]''</ref> It can be also breached with heavy firepower, such as that of a Banished Scarab. A containment shield does not shut down when the defense network is disabled. | |
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| == History ==
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| ===Installation 05===
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| During the [[Battle of Installation 05]], the containment shield kept [[United Nations Space Command|UNSC]] and [[Covenant]] forces stationed on Delta Halo from reaching the [[Activation Index|Index]]. In order to gain access to the Library and retrieve the Index, the [[Hierarchs]] of the Covenant dispatched [[Arbiter]] [[Thel 'Vadam]]ee to lower the shield. The Arbiter fought his way through the [[Aggressor Sentinel|Sentinel]] defenders to the enormous chamber containing the controls for the barrier. After destroying the Sentinel [[Enforcer]] guarding the chamber, the Arbiter retracted four [[piston]]-like [[plug lock]]s which unlocked the main control panel, allowing him to lower the shield. This caused the entire two-tiered control platform to move to the other side of a large chasm in the middle of the Sentinel Wall in a manner similar to an [[anti-gravity gondola]].{{Ref/Reuse|h2}}
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| The deactivation of the shield allowed access to the Quarantine Zone by the Covenant and the UNSC, which also gave the Flood hundreds of new hosts. The Flood was released onto the rest of [[Installation 05]]. As a result of this, the {{UNSCShip|In Amber Clad}} was taken over by the Flood and flown into the Covenant holy city of [[High Charity]].{{Ref/Reuse|h2}}
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| ===Installation 00===
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| In [[2552#December|December 2552]], three days after the [[Human-Covenant War]] ended, [[monitor]] [[000 Tragic Solitude]] had a containment shield set up around the ruins of [[High Charity]] to contain the [[Flood]] that had survived the detonation of the city's reactors and the firing of [[Installation 08]]. As an additional security measure, Tragic Solitude had the Sentinels raze the perimeter and modify the refugia to ensure that no sentient life survived nearby, in order to deprive the Flood of any host bodies in proximity to their prison. Tragic Solitude also kept a battalion of Sentinels on patrol in the vicinity of the containment shield, not only to guard against the Flood, but to guard against future invaders who might try to breach the shield and thus release the Flood.<ref>'''[[Halo Wars 2]]''' ''[[Phoenix Logs]]'' - ''Idle Hands II''</ref>
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| During the [[Second Ark Conflict]] in [[2559#June|June 2559]], [[Atriox]], the leader of the [[Banished]], ordered [[Jiralhanae]] brothers [[Pavium]] and [[Voridus]] to salvage anything useful from the shipwrecks near High Charity, but to only scout the shell and leave it alone, well-aware of the danger posed by any surviving Flood. However, like many of the Banished, Voridus brushed off the Flood as another Covenant lie and didn't heed Atriox's warnings. Instead, Voridus deactivated the Ark's Sentinel defense network using a terminal near High Charity and burned a hole in the containment shield with a [[Barukaza Workshop Scarab]]. When Voridus' troops entered the wreckage, they were swarmed by Flood [[infection form]]s which attacked the Banished and escaped onto the Ark through the breach in the containment shield created by Voridus, unimpeded by the Ark's Sentinels due to Voridus deactivating them.<ref>'''[[Halo Wars 2: Awakening the Nightmare]]''', campaign level ''[[What Could Go Wrong?]]''</ref>
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| Voridus eventually managed to reactivate the Sentinel defense network<ref>'''[[Halo Wars 2: Awakening the Nightmare]]''', campaign level ''[[The Archive]]''</ref> and the Banished, with the help of the Sentinels, slew a [[Proto-Gravemind]] that the Flood formed before it could become a full-fledged [[Gravemind]]. With the Sentinel defense network reactivated, thousands of Sentinels began a cleansing operation, supported by the Banished. The Sentinels and the Banished were able to contain the Flood outbreak<ref>'''[[Halo Wars 2: Awakening the Nightmare]]''', campaign level ''[[Manifestation]]''</ref> and scour them from High Charity's ruins.{{Ref/Novel|SoR|Detail=''[[Sacrifice]]''}}
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| == Trivia ==
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| *In ''[[Halo 2]]'', the containment shield was observed during the level [[Sacred Icon]].
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| *The holographic control panel for the shield displays what appears to be a perfectly symmetrical hand with six fingers. Whether by coincidence or not, this matches the later depictions of Forerunner hands in ''[[Halo 4]]'' and ''[[The Forerunner Saga]]'', which establish most Forerunners as having six-fingered hands with two thumbs.
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| ==Gallery==
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| <gallery>
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| File:H2 Containment Shield.jpg|The shield was projected by a series of [[Barrier tower|pylons]] on top of the Sentinel Wall in ''[[Halo 2]]''.
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| File:H2-Containment shield 3.png|The shield retracting after its deactivation.
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| File:H2-Shield_control_chamber.png|The chamber housing the controls for the containment shield.
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| File:H2-Containment_shield_panel_2.png|The control panel for the shield.
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| File:HW2-Scarabbeatsshield.png|Voridus' [[Barukaza Workshop Scarab]] breaks through a segment of the containment shield around [[High Charity]] in ''[[Halo Wars 2: Awakening the Nightmare]]''.
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| </gallery>
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| ==List of appearances==
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| *''[[Halo 2]]'' {{1st}}
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| *''[[Halo 2: Anniversary]]''
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| *''[[Halo Wars 2]]''
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| == Sources ==
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| {{Ref/Sources}}
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| [[Category:Installation 05 locations]]
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| [[Category:Installation 00 locations]]
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| [[Category:Forerunner technology]]
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| [[Category:Security technology]] | |
| [[Category:Shield technology]]
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