Editing Sentinel wall

{{Era|Forerunner|HCW}}
[[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 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==
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"/>

===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. 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"/>

==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.<ref>'''Halo 3''', campaign level ''[[The Ark]]''</ref>

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==
*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.
*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]].

==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>

==List of appearances==
*''[[Halo 2]]'' {{1st}}
*''[[Halo 3]]''

==Sources==
<references/>

{{Forerunner2}}
[[Category:Installation 05]]
[[Category:Forerunner buildings]]
@@ Line 1: / Line 1: @@
-{{Status|Canon}}
+{{Era|Forerunner|HCW}}
-[[File:H2A - Library.jpg|thumb|300px|A 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''',{{Ref/Game|Id=h2firstlook|H2|[[Halo 2 Collector's Edition#Collector.27s Edition DVD|Collector's Edition: First Look]]}}{{Ref/Book|AoH|Page=91}} also known as '''quarantine walls''',{{Ref/Book|Enc22|Page=337}} 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 [[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; they also serve the function of generating an [[Containment shield|energy barrier]] around the Library. A Sentinel wall surrounded the [[Quarantine zone (location)|Quarantine zone]] around the [[Library]] of [[Installation 05]] to keep the Flood from spreading.{{Ref/Level|Id=icon|H2|Sacred Icon}}
+'''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>
-== Function ==
+==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 [[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 the [[containment shield]]. This shield could only be deactivated from a console deep within the wall's interior, locked in place by a series of [[plug lock]]s.{{Ref/Reuse|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 [[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"/>
-== History ==
+===Battle of Installation 05===
-=== Battle of Installation 05 ===
 {{Main|Battle of Installation 05}}
-At some point, a containment failure on Installation 05 led to a [[Flood]] outbreak in the region surrounding the Library. A series of defensive barriers were activated in order to confine the Flood;{{Ref/Book|Enc22|Page=346}} this presumably led to the sentinel wall's containment shield being activated. During the battle on Installation 05, [[Thel 'Vadam|the Arbiter]] was sent into the wall to deactivate the shields keeping the Flood in the quarantine Zone in order to allow other [[Covenant]] forces fly over the wall towards the Library. 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.{{Ref/Reuse|icon}}
+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"/>
-== Production notes ==
+==Installation 00==
-A section of the sentinel wall is clearly visible on the ''[[Halo 2]]'' campaign levels [[Delta Halo]] and [[Regret (Halo 2 level)|Regret]], as well as the multiplayer map [[Containment]]. On the level Regret, the sentinel wall can be visible and seen ''beyond'' the [[Prophet of Regret]]'s [[Temple (Installation 05)|Forerunner temple]], denoting its massive structure and size.
+[[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>
-== Gallery ==
+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==
+*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.
+*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]].
+==Gallery==
 <gallery>
-File:H2 Containment Shield.jpg|A {{Pattern|Kez'katu|Phantom}} approaching the Sentinel wall, with the [[Library]] in the background in ''[[Halo 2]]''.
+File:Nwh2mp.jpg|A [[Containment|small section]] of [[Installation 05]]'s Sentinel Wall.
-File:H2_SacredIcon_EnergyAlley.jpg|A portion of the interior of [[Installation 05]]'s sentinel wall in ''Halo 2''.
+File:Ark wall 1.jpg|The wall structure on The Ark.
-File:H2_SacredIcon_ReleaseChamber.jpg|The chamber housing the [[containment shield]]'s controls in ''Halo 2''.
-File:H2_-_SentinelWall_below.png|A section of Delta Halo's sentinel wall seen from the ground level in ''Halo 2''.
-File:HTMCC-H2 SentinelWallDeactivates.png|The sentinel wall's containment shield deactivates in ''Halo 2''.
-File:H2 Wall Shield.png|Close up of the sentinel wall's containment shield in ''Halo 2''.
-File:H2_Containment_Overhead.jpg|A [[Containment|small section]] of Installation 05's sentinel wall in ''Halo 2''.
-File:Ark wall 1.jpg|A smaller Forerunner wall surrounding [[Installation 00|the Ark]]'s [[Cartographer]] in ''Halo 3''.
-File:Library.jpg|A sentinel wall surrounding a Library and [[Forerunner dreadnought]]s in ''[[Origins]]'' from ''[[Halo Legends]]''.
-File:H2A-Library-Wall.jpg|The sentinel wall around the Library in ''[[Halo 2: Anniversary]]''.
 </gallery>
-== List of appearances ==
+==List of appearances==
 *''[[Halo 2]]'' {{1st}}
 *''[[Halo 3]]''
-*''[[Halo Legends]]''
-**''[[Origins]]''
-*''[[Halo 2: Anniversary]]''
-== Sources ==
+==Sources==
-{{Ref/Sources}}
+<references/>
-{{Forerunner|sentinel}}
+{{Forerunner2}}
-[[Category:Installation 05 locations]]
+[[Category:Installation 05]]
 [[Category:Forerunner buildings]]