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{{era|Forerunner|HCW}}
{{Status|Canon}}
[[File:Piston.jpg|thumb|right|A closed Piston.]]
[[File:H2A-Forerunner piston.png|thumb|350px|A closed piston within the [[Sentinel Wall]].]]
A '''piston''' is a [[Forerunner]] device. They are installed within facilities like the [[Sentinel Wall]] as vertical "[[door]]s" to get from level to level within the multi-tiered construct. The pistons have sensitive control-strips that open the piston when fired upon or switched. The piston then splits in two, and allows the [[Aggressor Sentinel]]s and [[Constructor]]s to move to the lower or to the higher level they desire. The openings are fairly large, however, and therefore allow larger creatures, such as [[Sangheili]], to move through. However, the shafts pistons guard are almost always vertical, so moving up through them is impossible without a thruster of some kind. Some Pistons do not split in two, but the ones that reveal the winding tunnels just lift upwards, downwards and away.<ref>'''[[Halo 2]]''', campaign level ''[[Sacred Icon (level)|Sacred Icon]]''</ref>
{{Quote|no=two|q1=Well... that's different. What now?|The Weapon|q2=Down.|John-117|[[The Weapon]] and [[John-117]] after a piston reveals an opening in the ground.{{Ref/Quest|Id=hi|HINF|Reformation|Nexus}}}}
A '''piston''' is a [[Forerunner]] device.{{Ref/Reuse|hi}}{{Ref/Level|Id=h2|H2|Sacred Icon}}
 
==Overview==
Pistons are installed within facilities like the [[Sentinel Wall]] as vertical "[[door]]s" to get from level to level within the multi-tiered construct. The pistons have sensitive control-strips that open the piston when fired upon or switched. The piston then splits in two, and allows [[Aggressor Sentinel]]s and [[Constructor]]s to move to the lower or to the higher level they desire. The openings are fairly large, however, and therefore allow larger creatures, such as [[Sangheili]], to move through. However, the shafts pistons guard are almost always vertical, so moving up through them is impossible without a thruster of some kind. Some pistons do not split in two, but the ones that reveal the winding tunnels just lift upwards, downwards and away.{{Ref/Reuse|h2}}{{Ref/Reuse|hi}}


==Trivia==
==Trivia==
*An alternative for activating the pistons besides simply pressing ''X'' is meleeing or shooting the pistons. On [[Heroic]] or [[Legendary]], pistons cannot be triggered, but must be shot or meleed.
*In ''[[Halo 2]]'', an alternative for activating the pistons besides simply interacting with it is through meleeing or firing at the pistons. On [[Heroic]] or [[Legendary]], pistons cannot be triggered, but must be shot or meleed. It takes four melees to fully activate the piston. The piston's holocontrols change shades from green-blue to dark blue as they take more damage.
*It takes four melees to fully activate the piston. The Piston's holocontrols change shades from green-blue to dark blue as they take more damage.
*Pistons are only present in the level [[Sacred Icon]] in ''[[Halo 2]]'' and in the level [[Nexus]] in ''[[Halo Infinite]]''.
*Pistons are only present in the level [[Sacred Icon (Level)|Sacred Icon]] in ''[[Halo 2]]''.
*In ''[[Halo 3: ODST]]'', in the level [[Data Hive (level)|Data Hive]] which is set in [[New Mombasa]]'s [[New Mombasa Data Center|Data Center]], devices called "data stacks" are encountered. They function similarly to the pistons.
*In ''[[Halo 3: ODST]]'', in the level [[Data Hive (level)|Data Hive]] which is set in [[New Mombasa]]'s [[New Mombasa Data Center|Data Center]], devices called "Data Stacks" are encountered. They function similarly to the pistons.
 
==Gallery==
===''Halo 2''===
<gallery>
File:H2-Piston_3.png|A piston in a sentinel wall on [[Installation 05]].
File:Piston.jpg|A [[Constructor]] accessing the holographic controls of a piston.
File:H2 - Piston 2.jpg|Another piston being activated by a Constructor.
File:HTMCC-H2 Constructor&Piston.png|Close-up of a Constructor interacting with a piston.
</gallery>
===''Halo Infinite''===
<gallery>
File:HINF Piston Render 3.jpg|An untextured model of the piston.
File:HINF Piston Render 1.jpg|Render of the piston.
File:HINF Piston Render 2.jpg|Render of the piston's base.
File:HINF Piston.jpg|Front view of the piston.
File:HINF Nexus hunter piston.png|A piston in the Nexus on Installation 07.
File:HINF Nexus piston raised.png|The piston, raised to reveal a tunnel underneath.
</gallery>


==List of appearances==
==List of appearances==
*''[[Halo 2]]'' {{1st}}
*''[[Halo 2]]'' {{1st}}
*''[[Halo 2: Anniversary]]''
*''[[Halo Infinite]]''


==Sources==
==Sources==
<references/>
{{Ref/Sources}}
 
[[Category:Forerunner technology]]
[[Category:Forerunner technology]]

Latest revision as of 17:02, July 16, 2024

A closed piston within the Sentinel Wall.

The Weapon: "Well... that's different. What now?"
John-117: "Down."
— The Weapon and John-117 after a piston reveals an opening in the ground.[1]

A piston is a Forerunner device.[1][2]

Overview[edit]

Pistons are installed within facilities like the Sentinel Wall as vertical "doors" to get from level to level within the multi-tiered construct. The pistons have sensitive control-strips that open the piston when fired upon or switched. The piston then splits in two, and allows Aggressor Sentinels and Constructors to move to the lower or to the higher level they desire. The openings are fairly large, however, and therefore allow larger creatures, such as Sangheili, to move through. However, the shafts pistons guard are almost always vertical, so moving up through them is impossible without a thruster of some kind. Some pistons do not split in two, but the ones that reveal the winding tunnels just lift upwards, downwards and away.[2][1]

Trivia[edit]

  • In Halo 2, an alternative for activating the pistons besides simply interacting with it is through meleeing or firing at the pistons. On Heroic or Legendary, pistons cannot be triggered, but must be shot or meleed. It takes four melees to fully activate the piston. The piston's holocontrols change shades from green-blue to dark blue as they take more damage.
  • Pistons are only present in the level Sacred Icon in Halo 2 and in the level Nexus in Halo Infinite.
  • In Halo 3: ODST, in the level Data Hive which is set in New Mombasa's Data Center, devices called "data stacks" are encountered. They function similarly to the pistons.

Gallery[edit]

Halo 2[edit]

  • A piston in a sentinel wall on Installation 05.

    A piston in a sentinel wall on Installation 05.

  • A Constructor accessing the holographic controls of a piston.

    A Constructor accessing the holographic controls of a piston.

  • Another piston being activated by a Constructor.

    Another piston being activated by a Constructor.

  • Close-up of a Constructor interacting with a piston.

    Close-up of a Constructor interacting with a piston.

Halo Infinite[edit]

  • An untextured model of the piston.

    An untextured model of the piston.

  • Render of the piston.

    Render of the piston.

  • Render of the piston's base.

    Render of the piston's base.

  • Front view of the piston.

    Front view of the piston.

  • A piston in the Nexus on Installation 07.

    A piston in the Nexus on Installation 07.

  • The piston, raised to reveal a tunnel underneath.

    The piston, raised to reveal a tunnel underneath.

List of appearances[edit]

Sources[edit]

  1. ^ a b c Halo Infinite, campaign mission Reformation: Nexus
  2. ^ a b Halo 2, campaign level Sacred Icon
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