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{{Era|Forerunner|HCW}}
{{Era|Forerunner|HCW}}
{{Ratings}}
[[File:H2 Containment Shield.jpg|300px|thumb|right|A [[Type-52 Troop Carrier|Phantom]] approaching the Sentinel wall, with the [[Library]] in the background.]]
[[File:H2 Containment Shield.jpg|300px|thumb|right|A [[Type-52 Troop Carrier|Phantom]] approaching the Sentinel Wall, with the [[Library]] in the background.]]


'''Sentinel Walls''' are massive walls built by a Halo Installation's [[Sentinels]] in the event of a severe Flood outbreak. A Sentinel Wall surrounded the [[Quarantine Zone]] around the [[Library]] of [[Installation 05]] to keep the [[Flood]] from spreading.<ref>'''[[Halo 2]]'''</ref>
'''Sentinel Walls''' are massive walls on [[Halo Array|Halo installations]] intended to serve as means of containment if primary measures fail in the event of a severe [[The Flood|Flood]] outbreak. As their name suggests, the walls house numerous [[Sentinel]]s to both repair the facility and keep the Flood from spreading beyond the wall. A Sentinel wall surrounded the [[Quarantine Zone]] around the [[Library]] of [[Installation 05]] to keep the Flood from spreading.<ref name="icon">'''[[Halo 2]]''', campaign level ''[[Sacred Icon]]''</ref>


==Background==
==Background==
===History===
The wall appears to have been designed to keep the outbreak of Flood around Delta Halo's Library contained within the Quarantine Zone. It is honeycombed with tunnels for the [[Sentinel]]s to travel through. Sentinels and [[Enforcer]]s keep the Flood contained, while [[Constructor]]s keep repairing the damage that the Flood inflict on the wall. In addition to the massive physical wall, the Sentinel Wall also projected an energy barrier known as a [[Containment Shield]].<ref name="icon"/>
The Wall appears to have been designed to keep the outbreak of [[Flood]] around [[Delta Halo]]'s Library contained within the Quarantine Zone. It is honeycombed with tunnels for the [[Sentinels]] to travel through. Sentinels and [[Enforcer]]s keep the Flood contained, while [[Constructor]]s keep repairing the damage that the Flood inflict on the wall. It is possible that there is a constant battle in the Quarantine Zone, as in the level of the same name, Flood and Sentinels are seen in many instances fighting one another. In addition to the massive physical wall, the Sentinel Wall also projected an energy barrier known as a [[Containment Shield]].


===Battle of Installation 05===
===Battle of Installation 05===
{{Main|Battle of Installation 05}}
{{Main|Battle of Installation 05}}
Despite the efforts of the robotic keepers, the Flood were released when [[Thel 'Vadam|the Arbiter]] penetrated the defenses and deactivated the containment shield around the wall. It is unknown if such a structure exists on the other Halo installations. During the battle on Installation 05 the Arbiter was sent into the wall to deactivate the shields keeping the [[Flood]] in the Quarantine Zone in order to let other [[Covenant]] forces fly over the wall towards the Library. It is possible that this is what allowed Flood to capture Covenant craft and attempt to use them to escape Halo, as seen in ''[[Halo: Ghosts of Onyx]]''.
Despite the efforts of the robotic keepers, the Flood were released when [[Thel 'Vadam|the Arbiter]] penetrated the defenses and deactivated the containment shield around the wall. During the battle on Installation 05 the Arbiter was sent into the wall to deactivate the shields keeping the [[Flood]] in the Quarantine Zone in order to let other [[Covenant]] forces fly over the wall towards the Library.<ref name="icon"/>


===Battle of the Ark===
==Installation 00==
{{Main|Battle of the Ark}}
[[Installation 00]] contained a similar, though far smaller, security wall structure near its [[Cartographer]]. Inside the wall was a deep chasm and an [[energy bridge]] allowing passage over it. A [[terminal]] was located within the wall near the activation switch for the energy bridge.<ref>'''Halo 3''', campaign level ''[[The Ark]]''</ref>
[[File:Ark wall 1.jpg|thumb|right|The wall structure on The Ark.]]
 
When the UNSC forces landed on the Ark, they were to secure a landing zone for the ''Forward Unto Dawn'' to land. Unfortunately, the teams mounted up near a crashed Pelican, pushed through Covenant Loyalist forces but found the Sentinel Wall. The teams regrouped at the Sentinel wall after saving the [[Sentinel]]s from the Covenant Loyalists. After finding the path to the landing zone, the UNSC teams and the Sentinels joined forces and fought their way through the [[Covenant Empire|Covenant]] Loyalists guarding the entrance. The Sentinels had another task, so they flew over a part of the wall to help defend it. After the ''Forward Unto Dawn'' landed and deployed a convoy of 3 Scorpion tanks and a Warthog, [[Miranda Keyes|Keyes]] had a plan to go through the wall instead of over it. So the UNSC forces returned to the Sentinel wall and found a way through it, the [[John-117|Master Chief]] went into an above entrance himself as [[343 Guilty Spark]] opened the doors for him and found a switch activating a Light Bridge in which the convoy proceeds in through a tunnel. [[Constructors]] can be seen flying around a generator type object and seem to be repairing it while Sentinels fly around and guard them. It is known that the Sentinel Wall is part of the [[Silent Cartographer|Cartographer building]] because somewhere near the canyons half of the building can be seen forming from the Sentinel wall.
When the UNSC forces landed on the Ark during the [[Battle of Installation 00]], they were to secure a landing zone for the {{UNSCShip|Forward Unto Dawn}} to land. The ground teams pushed through Covenant loyalist forces but were prevented access to the Cartographer by the wall. After the ''Forward Unto Dawn'' landed nearby and deployed a convoy of multiple vehicles, [[Miranda Keyes|Commander Keyes]] suggested they go through the wall. The UNSC forces returned to the wall and with the assistance of [[343 Guilty Spark]], successfully passed through.


==Trivia==
==Trivia==
[[File:Nwh2mp.jpg|250px|thumb|right|A [[Containment (Level)|small section]] of [[Installation 05]]'s Sentinel Wall.]]
*A section of the Sentinel Wall is clearly visible on the ''[[Halo 2]]'' campaign levels [[Delta Halo (level)|Delta Halo]] and [[Regret (level)|Regret]], as well as the multiplayer map [[Containment]]. The Sentinel Wall can be visible and seen ''beyond'' the [[Prophet of Regret]]'s [[Temple (Installation 05)|Forerunner temple]] on the level Regret, denoting its massive structure and size.
*Sentinel Walls are means of containment if primary measures fail.
*It is unknown whether the other Installations have this feature, as the player would have bypassed the wall due to the Monitor's use of the [[teleportation grid]] on [[Installation 04]].
*A section of the Sentinel Wall is clearly visible on the ''[[Halo 2]]'' Campaign levels [[Installation 05|Delta Halo]] and [[Regret (Level)|Regret]], as well as Multiplayer maps [[Containment (Level)|Containment]] and [[Isolation (Level)|Isolation]].
*Complying with the above statement, the Sentinel Wall can be visible and seen ''beyond'' the [[Prophet of Regret]]'s Forerunner Temple on the level [[Regret (Level)|Regret]], denoting its massive structure and size.
*A small sentinel wall surrounds the Halo 3 multiplayer map [[Isolation (Level)|Isolation]].
*It is unknown whether the other Installations have this feature, as the player would have bypassed the wall due to the Monitor's use of the teleportation array on [[Installation 04]].


==Gallery==
<gallery>
File:Nwh2mp.jpg|A [[Containment|small section]] of [[Installation 05]]'s Sentinel Wall.
File:Ark wall 1.jpg|The wall structure on The Ark.
</gallery>
==Sources==
==Sources==
<references/>
<references/>
==Related Pages==
*[[Forerunners]]
*[[Battle of Installation 05]]


{{Forerunner2}}
{{Forerunner2}}
[[Category:Installation 05]]
[[Category:Installation 05]]
[[Category:The Forerunner]]
[[Category:Forerunner buildings]]

Revision as of 11:59, June 8, 2011

A Kez'katu-pattern Phantom approaching the Sentinel wall on Installation 05. From Halo 2 campaign level Sacred Icon.
A Phantom approaching the Sentinel wall, with the Library in the background.

Sentinel Walls are massive walls on Halo installations intended to serve as means of containment if primary measures fail in the event of a severe Flood outbreak. As their name suggests, the walls house numerous Sentinels to both repair the facility and keep the Flood from spreading beyond the wall. A Sentinel wall surrounded the Quarantine Zone around the Library of Installation 05 to keep the Flood from spreading.[1]

Background

The wall appears to have been designed to keep the outbreak of Flood around Delta Halo's Library contained within the Quarantine Zone. It is honeycombed with tunnels for the Sentinels to travel through. Sentinels and Enforcers keep the Flood contained, while Constructors keep repairing the damage that the Flood inflict on the wall. In addition to the massive physical wall, the Sentinel Wall also projected an energy barrier known as a Containment Shield.[1]

Battle of Installation 05

Main article: Battle of Installation 05

Despite the efforts of the robotic keepers, the Flood were released when the Arbiter penetrated the defenses and deactivated the containment shield around the wall. During the battle on Installation 05 the Arbiter was sent into the wall to deactivate the shields keeping the Flood in the Quarantine Zone in order to let other Covenant forces fly over the wall towards the Library.[1]

Installation 00

Installation 00 contained a similar, though far smaller, security wall structure near its Cartographer. Inside the wall was a deep chasm and an energy bridge allowing passage over it. A terminal was located within the wall near the activation switch for the energy bridge.[2]

When the UNSC forces landed on the Ark during the Battle of Installation 00, they were to secure a landing zone for the UNSC Forward Unto Dawn to land. The ground teams pushed through Covenant loyalist forces but were prevented access to the Cartographer by the wall. After the Forward Unto Dawn landed nearby and deployed a convoy of multiple vehicles, Commander Keyes suggested they go through the wall. The UNSC forces returned to the wall and with the assistance of 343 Guilty Spark, successfully passed through.

Trivia

Gallery

Sources

  1. ^ a b c Halo 2, campaign level Sacred Icon
  2. ^ Halo 3, campaign level The Ark

Template:Forerunner2

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