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| {{Status|Canon}} | | {{Era|Forerunner|HCW|Post}} |
| {{Forerunner infobox | | {{Forerunner Infobox |
| |name=Constructor Sentinel | | |name= Constructor |
| |image=[[File:H2A Campaign ConstructorTransparent.png|150px]]<br>[[File:H5G-Constructor.png|150px]]<br>Two alternate chassis designs for the Constructor. | | |image= [[File:H5G-Constructor.png|300px]] |
| |role=*Construction{{Ref/Book|Id=Enc22P327|Enc22|Page=327}} | | |role= Repair [[Forerunner]] facilities |
| *Maintenance{{Ref/Reuse|Enc22P327}}
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| |length={{Convert|16.4|in|cm|sp=us|disp=flip}}{{Ref/Reuse|Enc22P327}}
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| |width={{Convert|11.6|in|cm|sp=us|disp=flip}}{{Ref/Reuse|Enc22P327}}
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| |height={{Convert|24.1|in|cm|sp=us|disp=flip}}{{Ref/Reuse|Enc22P327}}
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| |mass=
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| |armament= | | |armament= |
| *Low-tier [[Auspex array|ultrascanner]]{{Ref/Reuse|Enc22P327}}
| | |length={{Convert|41.8|cm|in}}<ref>[http://halo.bungie.org/misc/sloftus_scalecomparison/1280h.html?display=for-flood_a '''halo.bungie.org''': ''Determining the Real Sizes of Objects in Halo - Update'']</ref> |
| *[[Smartmatter loom]]{{Ref/Reuse|Enc22P327}}
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| *[[Reconstitution emitter]]{{Ref/Reuse|Enc22P327}}
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| *[[Impulse drive]]{{Ref/Reuse|Enc22P327}}
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| |armor= | | |armor= |
| }} | | }} |
| {{Quote|They are Sentinels, but they were built by the Forerunners to exact repair where needed.|[[Shipmaster]] [[N'tho 'Sraom]]{{Ref/Novel|Id=HitD15|HitD|Chapter=15}}}} | | {{Quote|They are Sentinels, but they were built by the Forerunners to exact repair where needed.|[[Shipmaster]] [[N'tho 'Sraom]]<ref>'''[[Halo: Hunters in the Dark]]''', ''page 252'' (Google Play edition)</ref>}} |
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| '''Constructor Sentinels''' are a specialized variant of [[Sentinel]] whose primary function is to repair damaged [[Forerunner]] structures.{{Ref/Reuse|Enc22P327}}{{Ref/Reuse|HitD15}}{{Ref/Level|Id=sacred icon|H2|Sacred Icon}} | | The '''Constructor''' is a specialized [[Sentinel]] whose main function is to repair damaged [[Forerunner]] structures.<ref name="sacred icon">'''[[Halo 2]]''', campaign level ''[[Sacred Icon]]''</ref> [[Aggressor Sentinel|Aggressor]]s will come to their aid if they are attacked, as they have no weapon systems of their own to defend themselves.<ref name="sacred icon"/> |
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| ==Overview== | | ==Operation== |
| ===Design details===
| | Constructors are drones programmed to repair any damaged [[Forerunner]] structure they can find, using low-tuned energy beams similar to [[Sentinel beam]]s. These beams are fired from either the top half, the middle or the bottom half of the Constructor.<ref group="note">In ''Halo 2'', Constructors of Installation 05 fire their beam from their upper body, in ''Halo 3'', the Constructors of Installation 00 fire their beam from their lower body, and in ''Halo 5: Guardians'', the Constructors fire their beam from the middle of their body.</ref> The beams can also be used to open [[Cryptum]]s<ref>'''Halo 5: Guardians''', campaign level, ''[[Guardians (level)|Guardians]]''</ref> or lower the shields on [[piston]]s, allowing them to access the tunnel networks built within the [[Sentinel Wall]].<ref name="sacred icon"/><ref name="isolation">'''[[Halo 3]]''', multiplayer level ''[[Isolation]]''</ref> Although weak, they can harm an organism if they come in contact with it. |
| Constructor Sentinels have tall and narrow chassis, relative to their overall smaller size compared to most [[Sentinel]]s. They feature two primary housings, with one located directly above the other, often joined by a connecting arm. Atop their upper housing is a pair of ear-like appendages.{{Ref/Reuse|Enc22P327}}{{Ref/Reuse|sacred icon}}{{Ref/Level|Id=EnemyLines|H5G|Enemy Lines}} Perhaps the most integral feature of Constructor Sentinels are their small [[reconstitution emitter]]s,{{Ref/Reuse|Enc22P327}} which can be located in its upper housing, lower housing, or between the two, depending on the variant.{{Ref/Note|In ''Halo 2'', Constructors of Installation 05 fire their beam from their upper body, in ''Halo 3'', the Constructors of Installation 00 fire their beam from their lower body, and in ''Halo 5: Guardians'', the Constructors fire their beam from the middle of their body.}} Each Constructor Sentinel also features a tiny [[smartmatter]] [[Smartmatter loom|loom]] and a low-tier [[Auspex array|ultrascanner]], as well as an [[impulse drive]] for locomotion.{{Ref/Reuse|Enc22P327}}
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| Constructor Sentinels are manufactured in [[Ferrarius Assembler Vats]] within dedicated [[Sentinel manufacturing facility|manufacturing facilities]] on [[Forerunner]] installations and worlds.{{Ref/Reuse|Enc22P327}} | | Constructors can also play the role of a security grid. When a Constructor is attacked, a signal is automatically sent to [[Sentinel launcher]]s to begin deploying Aggressors. For this reason, they can form an excellent security perimeter. With no weapons systems, the Constructors rely on Aggressors when threatened. |
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| ===Operation=== | | ==Appearances== |
| [[File:H2A ConstructorAndPiston.png|250px|right|thumb|A Constructor interacting with a [[Holography|holographic]] display on a piston.]]
| | ===''Halo 2''=== |
| These small utility drones operate in coordinated groups to diagnose basic faults, weave minor repairs into existing Forerunner structures, and retune [[hard light]] structural elements. Vast numbers of Constructor Sentinels may cooperate with [[Strato-Sentinel]]s to complete large-scale repair operations.{{Ref/Reuse|Enc22P327}} [[Steward Sentinel]]s maintain their own complement of Constructor Sentinels for repair, preventing deterioration and compromise of the much larger Sentinel.{{Ref/Book|Id=Enc22P328|Enc22|Page=328}} For the purpose of repair, the Constructor's primary tool is its small reconstitution emitter. The beams fired from the reconstitution emitters can also be used to interact with Forerunner technology, allowing them to open [[Cryptum]]s{{Ref/Level|Id=Guardians|H5G|Guardians}} or lower the shields on [[piston]]s. The latter functionality allows the Constructor Sentinels to access the tunnel networks built within [[Sentinel Wall]]s.{{Ref/Reuse|sacred icon}}{{Ref/Map|Id=Isolation|H3|Isolation}} Although low in power output, one of these beams can cause harm if an organism if its crosses the beam's path.{{Ref/Reuse|sacred icon}}
| | They make their first appearance in the ''[[Halo 2]]'' level [[Sacred Icon]], exactly beside where [[Thel 'Vadamee]] stands after he is dropped off from his [[Phantom]]. They are repairing the destroyed edge and will leave after a while, or if the Arbiter approaches them. Attacking them will result in being attacked by aggressors. |
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| One or more Constructors will often be summoned if something within their facility is damaged. Once attracted, they appear to require little prompting to follow someone seeking their assistance. In one instance, a member of a [[Spartan-IV]] [[Fireteam Osiris|fireteam]] simply had to state that they had a task for a Constructor to get it to follow them, with no other obvious methods of coercion being used.{{Ref/Reuse|EnemyLines}} Constructors can be programmed for other tasks, such as awakening a [[Guardian Custode]], with little difficulty, being reprogrammed within minutes.{{Ref/Level|Id=BeforeTheStorm|H5G|Before the Storm}}
| | In the level [[Quarantine Zone (level)|Quarantine Zone]], they appear at the end of the level when the player fights the [[Flood]]-controlled [[M808B Main Battle Tank|Scorpion]] and [[Type-26 Assault Gun Carriage|Wraith]]s along with many flood [[combat forms]] using Covenant [[Type-32 Rapid Assault Vehicle|Ghosts]] and two [[Enforcer]]s fight against the Flood near a downed [[UNSC]] [[D77-TC Pelican|Pelican]] dropship.<ref>'''Halo 2''', campaign level, ''[[Quarantine Zone (level)|Quarantine Zone]]''</ref> If the player watches one of the large and deep trenches, a large cloud of Constructors can be seen flying off into the sky. |
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| Constructors can also play the role of a security grid. When a Constructor is attacked, a signal is automatically sent to [[Sentinel launcher]]s to begin deploying Aggressors. For this reason, they form an excellent security perimeter. However, with no weapons systems of their own, the Constructors must rely on Aggressors when threatened.{{Ref/Reuse|sacred icon}}
| | ===''Halo 3''=== |
| | | In ''[[Halo 3]]'', they appear in the level [[The Ark (level)|The Ark]], where they are seen inside Forerunner structures including inside the [[Sentinel Wall|wall]] to the [[Cartographer]] and the map room itself. |
| ==Variants==
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| Multiple distinct variants of Constructor Sentinel exist. Presumably, each Forerunner facility has its own unique variation of the Constructor Sentinel, as is the case with the Aggressor Sentinel.{{Ref/Reuse|Enc22P327}}
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| <gallery>
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| File:H2-SentinelConstructor.png|A chassis of the Constructor Sentinel encountered on [[Installation 00]], [[Installation 05]], and [[Partition]]. This variant's reconstitution emitter is located in its upper housing.
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| File:H5G-Constructor.png|A chassis of the Constructor Sentinel encountered on [[Sanghelios]] and [[Genesis]]. This variant's reconstitution emitter is located between its upper and lower housings.
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| </gallery>
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| ==In-game information==
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| ===''Halo 2''=== | |
| [[File:H2A SentinelBois.png|250px|thumb|A Constructor alongside two Aggressors on ''Sacred Icon''.]]
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| Constructors make their first appearance in the ''[[Halo 2]]'' level ''[[Sacred Icon]]'', exactly beside where [[Thel 'Vadamee]] stands after he is dropped off from his [[Phantom]]. They are repairing the destroyed edge and will leave after a while, or if the Arbiter approaches them. Attacking them will result in being attacked by Aggressors. In the level ''[[Quarantine Zone]]'', they appear at the end of the level when the player fights the [[Flood]]-controlled [[M808B Scorpion|Scorpion]] and [[Zurdo-pattern Wraith|Wraith]]s along with many Flood [[combat forms]] using Covenant [[Karo'etba-pattern Ghost|Ghosts]] and two [[Enforcer]]s fight against the Flood near a downed [[UNSC]] [[D77-TC Pelican|Pelican]] dropship. If the player watches one of the large and deep trenches, a large cloud of Constructors can be seen flying off into the sky.
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| ===''Halo 3''===
| | They can be also found in the [[multiplayer]] maps of [[Isolation]] and [[Construct]], where they can be seen flying around in the distance. |
| In ''[[Halo 3]]'', they appear in the level ''[[The Ark (level)|The Ark]]'', where they are seen inside Forerunner structures, including inside the [[Sentinel Wall|wall]] to the [[Cartographer]] and the map room itself. They can be also found in the [[multiplayer]] maps of [[Isolation]] and [[Construct]], where they can be seen flying around in the distance. With the addition of the ''[[Halo Online]]'' multiplayer map [[Edge]] to the ''[[Halo: The Master Chief Collection]]'', a flock of Constructors can be found maintaining the databanks in the rear of the Forerunner structure where the map is set.
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| ===''Halo 5: Guardians''=== | | ===''Halo 5: Guardians''=== |
| In ''[[Halo 5: Guardians]]'', Constructors play a significant role in the campaign. In the level ''[[Unconfirmed]]'', [[Fireteam Osiris]] encountered Constructors in the mines on [[Meridian]] near where the [[Guardian]] was. Though the team noted that the Constructors were similar in design to a [[Monitor]], they were non-communicative and uninterested in the humans, so [[Jameson Locke]] ordered his team to keep an eye on the Constructors but to otherwise ignore them. Later, in the level ''[[Enemy Lines]]'', [[Fireteam Osiris]] is tasked with acquiring a Constructor in order to activate the [[Guardian]] on [[Sanghelios]]. Osiris is able to find one in a support facility for the Guardian, attracting its attention by damaging a terminal in the facility. Dr. [[Catherine Halsey]] is then able to use Forerunner technology in the area to program the Constructor with the recording made of the Guardian on [[Meridian]]. Though Halsey thought it would take hours to days, the Constructor is programmed quickly and flies off to awaken the Guardian. In the final mission ''[[Guardians]]'', [[Genesis]] [[Monitor]] [[031 Exuberant Witness]] summons a swarm of Constructors to retrieve the [[Cryptum]] that [[Blue Team]] was trapped in by [[Cortana]] after Osiris manages to restore control over Genesis to Exuberant Witness. Under the control of Exuberant Witness, they use their beams to open the Cryptum and free the Spartans of Blue Team. | | In ''[[Halo 5: Guardians]]'', Constructors play a significant role in the campaign. In the level [[Enemy Lines]], [[Fireteam Osiris]] is tasked with acquiring a Constructor in order to activate the [[Guardian]] on [[Sanghelios]]. In the final mission, [[Genesis]] monitor [[031 Exuberant Witness]] summons a swarm of Constructors to retrieve the [[Cryptum]] that [[Blue Team]] was trapped in by [[Cortana]]. Apparently under the control of Exuberant, they use their beams to open the Cryptum and free the Spartans of Blue Team. |
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| ==Trivia== | | ==Trivia== |
| *On Isolation and Construct, the Constructors can be sniped, though their small size and constant movement make this difficult. | | *On [[Isolation]] and [[Construct]] the Constructors can be sniped, though their small size and constant movement make this difficult. |
| *In ''Halo 2'' and ''Halo 3'', even though Constructors do not attack you, your weapon reticule will turn red when passed over them. | | *In ''Halo 2'' and ''Halo 3'', even though Constructors do not attack you, your weapon reticule will turn red when passed over them. |
| *A player can get up close and even touch a Constructor on Construct. First, they must overload the map with [[TR/9 Antipersonnel Mine|trip mines]]. When the map is overloaded, the player must go through the hole where the purple lift beams are projected. A player then can easily be touched by a Constructor, but cannot be moved. They can be destroyed, mainly with a [[M6 Spartan Laser|Spartan Laser]] or a [[M7057 flamethrower|Flamethrower]]. Note that even when one is destroyed, another will immediately replace it in the same place. So, in other words, you will see the debris from a destroyed Constructor fall from a full and complete one. | | *A player can get up close and even touch a Constructor on Construct. First he/she must overload the map with [[TR/9 Antipersonnel Mine|trip mines]]. When the map is overloaded the player must go through the hole where the purple lift beams are projected. A player then can easy be touched by a Constructor but cannot be moved. They can be destroyed, mainly with a [[M6 Grindell/Galilean Nonlinear Rifle|Spartan Laser]] or a [[M7057/Defoliant Projector|Flamethrower]]. Note that even when one is destroyed another will immediately replaces it in the same place. So in other words, you will see the debris from a destroyed Constructor fall from a full and complete one. |
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| ==Gallery== | | ==Gallery== |
| {{Linkbox|gallery=yes|gallerypage=Images of Constructor Sentinel}}
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| <gallery> | | <gallery> |
| File:Constructor.jpg|A Constructor on [[Installation 05]] in ''Halo 2''. | | File:H2-SentinelConstructor.png|A Constructor in ''[[Halo 2]]''. |
| File:Constuctorz.jpg|Rear view of a Constructor in ''Halo 2''. | | File:Constructor.jpg|A Constructor on [[Installation 05|Delta Halo]] in ''Halo 2''. |
| File:HTMCC-H2 Constructor&Piston.png|A Constructor interacting with a piston's holographic display in ''Halo 2''. | | File:H3-SentinelConstructor.png|A Constructor in ''[[Halo 3]]''. |
| File:H3_Constructor.jpg|A Constructor on [[Installation 00]] in ''Halo 3''. | | File:H3_Constructor.jpg|A Constructor on [[Installation 00|the Ark]] in ''Halo 3''. |
| File:H3-SentinelConstructor.png|The Constructor in ''Halo 3''. | | File:H2A-daniil-kuksov-constructor.png|Concept art of the Constructor for ''[[Halo 2: Anniversary]]'' |
| File:HTMCC-H3 ConstructorPair.png|A pair of Constructors on Partition on the map Edge in ''Halo: The Master Chief Collection''.
| | File:H2A Campaign ConstructorTransparent.png|A Constructor in Halo 2: Anniversary. |
| File:HTMCC-H3 ConstructorScan.png|A Constructor uses a scanner-like function in ''Halo: The Master Chief Collection''.
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| File:H2A_SentinelConstructor_Concept.jpg|Concept art of the Constructor for ''[[Halo 2: Anniversary]]''.
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| File:H2A ConstructorSacredIcon.png|A Constructor on Installation 05 in ''Halo 2: Anniversary''. | |
| File:H5G_Constructor_Concept.jpg|Concept art of the Constructor for ''Halo 5: Guardians''.
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| File:H5G - damaged Constructor.png|A damaged Constructor on [[Genesis]] in ''[[Halo 5: Guardians]]''. | | File:H5G - damaged Constructor.png|A damaged Constructor on [[Genesis]] in ''[[Halo 5: Guardians]]''. |
| </gallery> | | </gallery> |
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| *''[[Halo 5: Guardians]]'' | | *''[[Halo 5: Guardians]]'' |
| *''[[Halo Wars 2]]'' {{Mo}} | | *''[[Halo Wars 2]]'' {{Mo}} |
| *''[[Halo: Epitaph]]''
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| ==Notes== | | ==Notes== |
| {{Ref/Notes}}
| | <references group="note"/> |
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| ==Sources== | | ==Sources== |
| {{Ref/Sources}}
| | <references/> |
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| {{Forerunner|sentinel}} | | {{Forerunner|sentinel}} |
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| [[Category:Sentinels]] | | [[Category:Sentinels]] |
