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{{Ejjjdjdjdjevent enemy Flood combat forms from overwhelming the player, weapons that would normally be picked up when a Jiralhanae combat form "resurrects" are deleted by the game's code, rendering them unusable.
{{Status|Canon}}
* An infected Jiralhanae Chieftain will turn into the generic Jiralhanae combat form character model, which is used for all Jiralhanae that become infected, regardless of rank or armor type. This is a pattern shown throughout the games; Combat Forms are all portrayed with a singular generic character model, depending on the species that is infected.
{{Disambig header|the general term|the specific Flood form commonly referred to as a combat form|Flood attacker form}}
* Regardless of gender, an infected [[human]] Flood becomes a male combat form. There are no variations between an infected male or female Marine, because there is only one character model for a Human Combat Form in the game.
{{Flood infobox
* Combat forms are capable of speech in an echoing voice. They usually speak for the [[Gravemind]] or quote their host.
|name=Combat form
* ''Halo 3'' is the only game in which a combat form can be killed instantly by meleeing them with something other than a [[Energy Sword]], [[Gravity Hammer]] or [[Brute Shot]].
|image=[[File:H Evol - Mona Lisa Flood Combat Forms.png|350px]]<br>Several variations of combat form
|height=Varies depending on type and host species.{{Ref/Reuse|Enc22P408}}{{Ref/Reuse|Enc22P409}}
|distinctions=
|attacks=Lunging at enemies with claws and whip-like tendrils, biting, and/or firing infectious barbs.{{Ref/Reuse|Enc22P408}}{{Ref/Reuse|Enc22P409}}
|notable=
*[[Flood attacker form|Attacker form]]
*[[Flood thrasher form|Thrasher form]]
*[[Flood swarm|Swarm form]]
|notable-title=Notable types
}}


===Halo: Combat Evolved Anniversary===
The '''Flood combat form''' is the primary form used by the [[Flood]] to overwhelm and decimate surviving populations, and one of the most common forms found in [[Feral Stage|early stages]] of a Flood outbreak. Combat forms can be created using either sapient or non-sapient hosts infected via means of the [[Flood Super Cell]], typically by a [[pod infector]]. They serve as the Flood's primary combatants, defending the Flood against attack and securing additional hosts for infection. The most common variation of combat form is the [[Flood attacker form|attacker form]].{{Ref/Book|Id=Enc22P408|Enc22|Page=408}}
*Human combat forms receive a graphical update while Elite combat forms appear to be using the models from ''Halo 3''. This is most noticeable at the legs, which do not end with ''Halo: Reach''-styled feet. Additionally, all the Elite combat forms appear to be Ultras.
 
==Pathology==
===Infection and creation===
Combat forms are typically created when a [[pod infector]] is successfully able to enter a host's body, though this is not the only vector by which hosts can be infected.{{Ref/Site|Id=Universe|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/universe/species/flood|Site=Halo Waypoint|Page=Flood}} Flood outbreaks can often be caused by [[Flood spore|spores]] or other microbiological vectors entering the host body,{{Ref/Reuse|Universe}} or by contact with other forms that include Flood [[Seeder infector|Seeder]]s or [[Flood infester form|Infester]]s.{{Ref/Game|Id=ATN|HW2|Detail=[[Halo Wars 2: Awakening the Nightmare|Awakening the Nightmare]]}} In more advanced stages of infection, the need for specific [[infection form]]s is decreased as the Flood-infected area converts to a [[Blightlands|Blightland]] or [[Flood hive]]. By this point, the Flood presence makes up the majority of the terrain in the area, making contact with the Flood Super Cell and the naturally-generated spores an inevitability. Some Flood structures such as the "[[Flood launcher|launcher]]" specialize in firing clouds of spores at uninfected forces, causing them to succumb to the infection without any kind of infection form involved.{{Ref/Game|HW|Flood Launcher in-game unit}}
 
As Flood forms, including the combat form, naturally produce the Flood Super Cell (FSC), even being in contact with one can result in infection for an unprotected potential host. Given the combat forms' preference for melee combat, this makes even non-fatal strikes a death sentence, though such infections may progress slowly.{{Ref/Anthology|Id=MonaLisa|Evo|[[The Mona Lisa]]}} However, infection by spore inhalation or infection form is extremely quick, with a host succumbing often in as little as a few seconds.
 
When conventionally infected by a pod infector, the infector latches onto the host and dig into the host's flesh with a razor-sharp barb-like appendage, injecting the FSC and proceeding to burrow themselves within the host. Typically, the pod infector makes its home within the chest cavity of the host life form, though depending on circumstance this is not always the case. Depending on the host in question, the pod infector will dislodge the host's bones and organs to make room for itself, resulting in extreme disfiguration such as dislocating the host's jaw{{Ref/Game|Id=H2AMP|H2A|[[Infection]] game mode}} or, in the case of infected [[Sangheili]], completely snapping the neck. This process can be performed on living or recently-deceased hosts, though often results in the "death" of a living host prior to their re-animation once the FSC takes hold.{{Ref/Reuse|Universe}} Some hosts may be attacked and infected by multiple pod infectors.{{Ref/Reuse|Flood10}} Even if the infection form is removed, the injection of FSC into the generated wounds results in those wounds becoming spore-filled blisters, and the host cannot be saved from infection.{{Ref/Game|Id=PLInfectionForm|HW2|Phoenix Logs|Detail=Infection Forms}}
 
Once infected, the super cell begins to consume and convert sections of the host body, creating growths and new appendages of new super cell. As this process occurs, bodies take on the appearance and smell of decay.{{Ref/Novel|Id=Flood10|TF|Chapter=10}} With sapient hosts, some limbs and sensory organs are preserved in the transformation, and are used to operate tools, equipment, weapons, vehicles, and even ships.{{Ref/Reuse|Enc22P408}} Infection forms will often augment a host's body to better serve as a living weapon, and damage taken during fighting and infection can be repaired by the controlling infection form, though the combat form is ultimately disposable.{{Ref/Game|Id=PLCombatForm|HW2|Phoenix Logs|Detail=Combat Forms}}{{Ref/Reuse|Enc22P408}} Any damage that the combat form receives ultimately creates more vectors of infection as the chunks of infected flesh it leaves behind are scattered throughout the environment.{{Ref/Reuse|Enc22P408}} The Flood Super Cell is able to arrange itself to mimic any organ needed to keep the host working,{{Ref/Game|Id=Bestiarum|H3|[[Bestiarum]]}} while other internal organs are replaced with accretions that function as support lattices containing a sickly green liquid full of spores in suspension. Spore-filled polyps also often cover the exterior of combat forms.{{Ref/Reuse|Enc22P408}} Even once the FSC has taken control of the victim, the controlling infection form can often be seen buried within the victim, with the infection form's red sensory appendages poking out of the flesh. Until the body is completely subsumed by super cell growth, these appendages are maintained as an impromptu central nervous system.{{Ref/Reuse|Universe}}{{Ref/Reuse|Enc22P408}} Some combat form super cell growths take on a more chitinous nature, akin to armor plating, helping protect the combat form from enemy attacks.{{Ref/Game|Id=H4|H4|[[Flood (gametype)|Flood]] gametype}}
 
With sapient hosts, the victim may still attempt to cry out from what remains of its mouth and throat even while being controlled, though it is also possible for the infection form to do so using the host's thoughts and memories as a psychological weapon.{{Ref/Game|Id=PLInfected|HW2|Phoenix Logs|Detail=Infected}} In extremely rare circumstances, a victim may remain fully aware of their present status, unable to do much but watch as their body is controlled by an outside force.{{Ref/Reuse|PLCombatForm}}{{Ref/Reuse|Enc22P408}}
 
===Capabilities===
The infection form controlling a host body does not feel pain or fear, though the host is able to feel the physical effect of attacks rendered upon it.{{Ref/Reuse|PLCombatForm}} In extreme cases, the infection form will resort to self-mutilation of the host body if it needs to, such as breaking its own arms to use the snapped bone as an improvised weapon. However, the pain inflicted on the host body may also weaken the controlling infection form, provided that it was old and weak prior to infecting the host.{{Ref/Reuse|Flood10}} Combat forms are reliant on their infection form for all bodily and motor functions, and shooting the infection form will "kill" the combat form, though the body can be re-reanimated if another infection form is able to reach it. As a result, a combat form can be resurrected as many times as is needed, provided the body is still intact enough to be a viable host. To properly kill a combat form, it must be dismembered or disfigured to the point at which it is no longer a suitable host body for an infection form.{{Ref/Reuse|H3Gameplay}}
 
When a sapient host is infected and made into an [[Flood attacker form|attacker form]], the infection form is able to absorb all of the host's knowledge and memories. As a result, attacker forms are capable of operating firearms, driving vehicles, operating tools and even starships.{{Ref/Reuse|PLCombatForm}} In the case of the ''[[Infinite Succor]]''{{'}}s [[Skirmish on Infinite Succor|infection]], infected warriors were able to set up patrols of the ship's corridors to guard the [[Proto-Gravemind]] growing in the ship.{{Ref/Comic|Id=Succor|HGN|Detail=[[The Last Voyage of the Infinite Succor]]}} The Flood's possession of an individual's body allows it to speak with the host's tongue.{{Ref/Reuse|PLCombatForm}}{{Ref/Reuse|Succor}}{{Ref/Level|H3|The Covenant (level)|The Covenant}} This memory-absorption extends critical knowledge such as command codes or colony locations. As such, when critical personnel are infected, they are contributed to the construction of a [[Gravemind]].{{Ref/Level|Id=Keyes|HCE|Keyes}}
 
Attacker combat forms use their whip or scythe-like growths to attack their opponents in melee combat, and are capable of performing feats that their hosts previously could not, such as leaping large distances to cover ground. Even if a melee strike is not fatal, the imparted Flood Super Cell is enough to ensure the target's infection and death.{{Ref/Reuse|MonaLisa}} As the infection forms do not feel pain, combat forms are undeterred by enemy attacks and will not stop until they are destroyed, or their enemy is killed. Ballistic weapons are notably less effective against some combat forms because of this, with [[SRS99C-S2 AM sniper rifle]] rounds passing through combat forms with virtually no effect.{{Ref/Game|HCE|Gameplay}} Targeted shots against the limbs and embedded infection form are effective ways of dispatching combat forms.{{Ref/Book|OSFM|Page=172-175}}
 
===Role within the Flood===
Combat forms make up the majority of the Flood's combatant forces, particularly in the [[Feral Stage]] of the parasite's development in which it has yet to acquire enough raw biomass for the creation of a [[Gravemind]] or [[Flood pure form|pure forms]]. During this stage, combat forms are not centrally controlled, and will begin to gather bodies for conversion into more Flood forms.{{Ref/Reuse|Keyes}} If a location cannot be immediately secured, multiple combat forms may merge to create the [[Flood Juggernaut|Juggernaut]] and [[Abomination]] keymind forms, able to direct local forces in the area until a permanent presence can be established.
 
When a local biosphere has been completely assimilated into the Flood, typically once the Flood has entered the [[Coordinated Stage]], combat forms cannot be created anymore due to a lack of viable hosts. Due to this, the Flood moves onto breaking down raw biomass into Flood Super Cell, thereby creating [[Flood pure form|pure forms]] of wholly Flood biomass. Once the number of pure forms reaches a sufficient equilibrium, combat forms are relegated to defensive roles or added to the hive's raw biomass and [[calcium]] reserves.{{Ref/Reuse|Bestiarum}} Otherwise, aging or damaged combat forms are turned into [[Flood carrier form|carrier form]]s, growing infection forms within a large, bulbous mass on their back.{{Ref/Reuse|Universe}}{{Ref/Book|Id=Enc22P409|Enc22|Page=409}}
 
==Types of combat forms==
Virtually any creature with sufficiently complex nervous systems can be infected and made a combat form, but the most commonly-seen hosts are those of sapient species such as [[human]]s, [[Sangheili]], and [[Jiralhanae]].{{Ref/Reuse|H3Gameplay}} [[Kig-Yar]] and [[Unggoy]] can also be made into combat forms, though are seemingly more rare.{{Ref/Reuse|PLCombatForm}} Sapient hosts such as these are generally made into the most basic version of combat form, simply known as an attacker form.{{Ref/Reuse|Enc22P408}} Non-sapient animals can also be made into combat forms provided they have sufficient calcium reserves and neuro-complexity.{{Ref/Reuse|Enc22P409}}
 
All victims of infection via pod infector, regardless of their physiology, will undergo a similar mutation process. The skin decays rapidly, and changes to the color and texture of Flood biomass as the Flood Super Cells overtake the body. In the case of attacker combat forms, the host's arm bones elongate and grow into whip or claw-like appendages, which serve as their primary melee weapon in close-combat situations. As the pod infector now serves as the host's "brain," the head is usually forced aside, and can be severed without any effect on the combat form.{{Ref/Game|Id=H3Gameplay|H3|Gameplay}}<ref group="notes">In ''Halo 3'', the reanimation process can be witnessed; the host will twitch around in pain, and eventually collapse on the ground. Afterwards, the whip appendages will force itself out of the host's left arm, and the pod infector will force itself out of the host's chest.</ref>
 
===Attacker===
{{Main|Flood attacker form}}
The most common and basic combat form is the attacker. These forms are created solely from sapient hosts bent to the Flood's will. As the parasite takes over their thoughts and memories, it uses this information to allow the attacker to use weapons, equipment, and vehicles to further the Flood's reach and overall threat level. Given the intelligence of the host, occasionally the victims can manage a whisper pleading for mercy or simply cries of pain. However, the parasite will more often speak on their behalf using their stolen thoughts to terrorize both the host and any nearby survivors.{{Ref/Reuse|Enc22P408}} Potential hosts used for attackers include humans, Sangheili, Jiralhanae, Unggoy, Kig-Yar,{{Ref/Reuse|PLCombatForm}} and Forerunners.<ref>'''[[Halo: Fractures]]''', ''[[Defender of the Storm]]'', ''page 231''</ref>
 
<gallery>
File:Anniversary, FloodCombatForm.jpg|A human attacker form.
File:H4-FloodCombatForm-Spartan.png|A [[Spartan-IV]] attacker form.
File:H2A-InfectedSpartan.png|A Spartan-II attacker form.
File:FCFelite.jpg|A Sangheili attacker form.
File:HW2-Unleashed.png|A Jiralhanae attacker form.
File:Kig-Yar_Combat_Form.png|A Kig-Yar attacker form.
File:HW2 - Flood Unggoy form.jpg|An Unggoy attacker form.
</gallery>
 
===Thrasher===
{{Main|Flood thrasher form}}
Thrashers are a hulking, vicious variant of combat form created through the infection of certain non-sapient animals with sufficient neuro-complexity. Limited in intellect compared to attackers, thrashers are used as simple weapons in early stages of Flood infiltration and expansion. They have whip-like barbed tentacles and toothy maws suited to gorging on the flesh that fuels their violent rampage. Bearing resemblance to [[Flood tank form|some]] [[Flood pure form|pure form]]s, thrashers are primarily employed to defend existing Flood hives.{{Ref/Reuse|Enc22P409}}


===Halo 2: Anniversary===
*Both human and Elite combat forms retain much of their host armor. Human forms have the body armor of former UNSC Marines while Elite forms all have [[Sangheili Minor|Minor Elite]] [[Sangheili combat harness|combat harnesses]], much like in the original game.
{{Linkbox|gallery=yes|gallerypage=Images of Flood combat forms}}
==Gallery==
<gallery>
<gallery>
File:Grunt Concept.jpg|Early concept art of an [[Unggoy]] combat form.
File:FloodThrasher 1.png|A model of a thrasher form.
File:HCE Human Flood Combat Form.png|In-game view of a human Flood combat form in ''[[Halo: Combat Evolved]]''.
File:HW thrashersrunning2.jpg|Several thrasher forms on [[Trove]].
File:Warrior Form Human2.png|A human combat form from ''Halo: Combat Evolved''.
File:Enc22 Thrasher.png|A thrasher form in the ''[[Halo Encyclopedia (2022 edition)]]''.
File:Warrior Form Covie2.png|A Sangheili combat form from ''Halo: Combat Evolved''.
File:Flood human form.jpg|A human combat form in ''[[Halo 2]]''.
File:FloodWeaponless05.jpg|A Sangheili combat form from ''Halo 2''.
File:H2 Human Flood Combat Form.png|Human Flood combat form in ''Halo 2''.
File:H2 Elite Flood Combat Form.png|Sangheili Flood combat form in ''Halo 2''.
File:HGN-FloodCombatForm.jpg|Two [[human]] combat forms in ''[[Halo Graphic Novel]]'': ''[[Breaking Quarantine]]''.
File:Elite Flood Combat Form (Very Angry).jpg|A [[Sangheili]] combat form in the ''Halo Graphic Novel''.
File:H3-BruteFloodCombatForm.jpg|Jiralhanae Flood combat form in ''[[Halo 3]]''.
File:Halo3 51016200 Full.jpg|Human Flood combat form in ''Halo 3''.
File:FloodFaces-large.jpg|A Jiralhanae combat form and a human combat form in ''Halo 3''.
File:Halo3 61026908 Full.jpg|Elite Flood combat form wielding a fuel rod gun in ''Halo 3''.
File:1216051647 Infected.jpg|A Marine undergoing the reanimation process after getting infected by an Infection form in ''[[Halo 3]]''.
File:Flood Marine 01-horz.jpg|A Marine killed mid-transformation.
File:FCFelite.jpg|A Sangheili combat form in ''Halo 3''.
File:H3 - Sangheili Major combat form.jpg|A Sangheili Major combat form.
File:FloodBase-Marine.jpg|Concept art of a human combat form for ''[[Halo Wars]]''.
File:ShieldW Surface Closeup.png|A Sangheili combat form in ''Halo Wars''.
File:Unggoy_Combat_Form.png|An Unggoy flood combat form in ''Halo Wars''.
File:Kig-Yar_Combat_Form.png|A Kig-Yar flood combat form in ''Halo Wars''.
File:H Evol - Mona Lisa Flood Combat Forms.png|A horde of combat form onboard the [[prison ship]] ''[[Mona Lisa]]''.
File:CEAhumancombat.png|A human combat form in ''[[Halo: Combat Evolved Anniversary]]''.
File:Anniversary, FloodCombatForm.jpg|A human combat form in ''Halo: Combat Evolved Anniversary'''s [[Terminal/Halo: Combat Evolved Anniversary|Terminals]].
File:H4 Combat form concept.jpg|Concept art of a combat form in ''[[Halo 4]]''.
File:H4 Flood Claw.jpg|Render of the SPARTAN-IV combat forms' claw.
File:H4-MP-Flood-Complex.jpg|Spartan combat forms in the ''Halo 4'' [[Flood (gametype)|Flood gametype]].
File:H4-FloodCombatForm-Spartan.png|Detail view of the Spartan combat form.
File:H2A-InfectedSangheili.png|Thel 'Vadam battling Sangheili combat forms on the [[Threshold gas mine]] in ''[[Halo 2: Anniversary]]''.
File:H2A-InfectedHumans.png|Thel 'Vadam battling human combat forms on Installation 05.
File:H2A-CreepyLockdownFlood.jpg|Models of the Flood on [[Lockdown]].
File:H2A-InfectedSpartan.png|An infected Spartan in ''Halo 2: Anniversary'' [[Infection]].
File:H2A-Floodcomparisson.png|A comparison between a Spartan combat form and a combat form on Lockdown.
File:TFS-Combatform.png|A human combat form in ''[[Something has Happened]]''.
File:TFS-Likeafrog.png|A combat form spawning infection forms aboard the {{UNSCShip|Spirit of Fire}} in 2537.
File:Flood.jpg|A human combat form action figure.
</gallery>
</gallery>
===Swarm===
{{Main|Flood swarm}}
Swarm forms are flying combat forms made via the infection of certain non-sapient avian predators with sufficient calcium reserves and resilient neurosystems. Despite their large size, swarm forms are remarkably swift and capable of performing coordinated attacks from the air with others of their kind. In addition to their sharp talons and teeth, swarm forms can fire infectious barbed projectiles at enemies.{{Ref/Reuse|Enc22P409}}
<gallery>
File:HW FloodSwarm Concept.jpg|A swarm form.
File:HW FloodSwarmForm 1.png|Another view of a swarm form.
</gallery>
==Production notes==
Prior to the ''[[Halo Encyclopedia (2022 edition)]]'', all human, Sangheili, Jiralhanae, Kig-Yar, and Unggoy combat forms were simply referred to as combat forms. While the Encyclopedia does not dispute this, it further clarified that these kinds of Flood forms are all part of the "[[Flood attacker form|attacker]]" subset of combat forms.{{Ref/Reuse|Enc22P408}}


==Notes==
==Notes==
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*''[[Halo 3]]''
*''[[Halo 3]]''
*''[[Halo Wars]]''
*''[[Halo Wars]]''
*''[[Halo 3: ODST]]'' {{MCCo}}
*''[[Halo Legends]]''
*''[[Halo Legends]]''
**''[[Origins]]''
**''[[Origins]]''
Line 69: Line 99:
**''[[The Mona Lisa]]''
**''[[The Mona Lisa]]''
*''[[Halo: Combat Evolved Anniversary]]''
*''[[Halo: Combat Evolved Anniversary]]''
**''[[Terminal/Halo: Combat Evolved Anniversary|Terminals]]''
**''[[Terminal (Halo: Combat Evolved Anniversary)|Terminals]]''
*''[[Halo 4]]''
*''[[Halo 4]]''
**''[[Terminal/Halo 4|Terminals]]''
**''[[Terminal (Halo 4)|Terminals]]''
*''[[Halo: Spartan Assault]]''
*''[[Halo: Spartan Assault]]''
*''[[Halo 2: Anniversary]]''
*''[[Halo 2: Anniversary]]''
Line 78: Line 108:
*''[[Halo: Tales from Slipspace]]''
*''[[Halo: Tales from Slipspace]]''
**''[[Something Has Happened]]''
**''[[Something Has Happened]]''
*''[[Halo Wars 2]]''
*''[[Halo: Fireteam Raven]]''
*''[[Halo Infinite]]''
**''[[Season 05: Reckoning]]''
*''[[Halo: Saturn Devouring His Son]]''
*''[[Halo: Epitaph]]''
*''[[Halo: The Television Series Season Two]]''
**''[[Halo (TV Series)|Halo]]''


==Sources==
==Sources==
<references/>
{{Ref/Sources}}
 
{{Flood}}
{{Flood}}
[[Category:Flood]]
[[Category:Flood forms]]

Latest revision as of 02:00, March 24, 2024

This article is about the general term. For the specific Flood form commonly referred to as a combat form, see Flood attacker form.
Combat form
H Evol - Mona Lisa Flood Combat Forms.png
Several variations of combat form
General overview

Height:

Varies depending on type and host species.[1][2]

Method of attack:

Lunging at enemies with claws and whip-like tendrils, biting, and/or firing infectious barbs.[1][2]

Notable types:

 

The Flood combat form is the primary form used by the Flood to overwhelm and decimate surviving populations, and one of the most common forms found in early stages of a Flood outbreak. Combat forms can be created using either sapient or non-sapient hosts infected via means of the Flood Super Cell, typically by a pod infector. They serve as the Flood's primary combatants, defending the Flood against attack and securing additional hosts for infection. The most common variation of combat form is the attacker form.[1]

Pathology[edit]

Infection and creation[edit]

Combat forms are typically created when a pod infector is successfully able to enter a host's body, though this is not the only vector by which hosts can be infected.[3] Flood outbreaks can often be caused by spores or other microbiological vectors entering the host body,[3] or by contact with other forms that include Flood Seeders or Infesters.[4] In more advanced stages of infection, the need for specific infection forms is decreased as the Flood-infected area converts to a Blightland or Flood hive. By this point, the Flood presence makes up the majority of the terrain in the area, making contact with the Flood Super Cell and the naturally-generated spores an inevitability. Some Flood structures such as the "launcher" specialize in firing clouds of spores at uninfected forces, causing them to succumb to the infection without any kind of infection form involved.[5]

As Flood forms, including the combat form, naturally produce the Flood Super Cell (FSC), even being in contact with one can result in infection for an unprotected potential host. Given the combat forms' preference for melee combat, this makes even non-fatal strikes a death sentence, though such infections may progress slowly.[6] However, infection by spore inhalation or infection form is extremely quick, with a host succumbing often in as little as a few seconds.

When conventionally infected by a pod infector, the infector latches onto the host and dig into the host's flesh with a razor-sharp barb-like appendage, injecting the FSC and proceeding to burrow themselves within the host. Typically, the pod infector makes its home within the chest cavity of the host life form, though depending on circumstance this is not always the case. Depending on the host in question, the pod infector will dislodge the host's bones and organs to make room for itself, resulting in extreme disfiguration such as dislocating the host's jaw[7] or, in the case of infected Sangheili, completely snapping the neck. This process can be performed on living or recently-deceased hosts, though often results in the "death" of a living host prior to their re-animation once the FSC takes hold.[3] Some hosts may be attacked and infected by multiple pod infectors.[8] Even if the infection form is removed, the injection of FSC into the generated wounds results in those wounds becoming spore-filled blisters, and the host cannot be saved from infection.[9]

Once infected, the super cell begins to consume and convert sections of the host body, creating growths and new appendages of new super cell. As this process occurs, bodies take on the appearance and smell of decay.[8] With sapient hosts, some limbs and sensory organs are preserved in the transformation, and are used to operate tools, equipment, weapons, vehicles, and even ships.[1] Infection forms will often augment a host's body to better serve as a living weapon, and damage taken during fighting and infection can be repaired by the controlling infection form, though the combat form is ultimately disposable.[10][1] Any damage that the combat form receives ultimately creates more vectors of infection as the chunks of infected flesh it leaves behind are scattered throughout the environment.[1] The Flood Super Cell is able to arrange itself to mimic any organ needed to keep the host working,[11] while other internal organs are replaced with accretions that function as support lattices containing a sickly green liquid full of spores in suspension. Spore-filled polyps also often cover the exterior of combat forms.[1] Even once the FSC has taken control of the victim, the controlling infection form can often be seen buried within the victim, with the infection form's red sensory appendages poking out of the flesh. Until the body is completely subsumed by super cell growth, these appendages are maintained as an impromptu central nervous system.[3][1] Some combat form super cell growths take on a more chitinous nature, akin to armor plating, helping protect the combat form from enemy attacks.[12]

With sapient hosts, the victim may still attempt to cry out from what remains of its mouth and throat even while being controlled, though it is also possible for the infection form to do so using the host's thoughts and memories as a psychological weapon.[13] In extremely rare circumstances, a victim may remain fully aware of their present status, unable to do much but watch as their body is controlled by an outside force.[10][1]

Capabilities[edit]

The infection form controlling a host body does not feel pain or fear, though the host is able to feel the physical effect of attacks rendered upon it.[10] In extreme cases, the infection form will resort to self-mutilation of the host body if it needs to, such as breaking its own arms to use the snapped bone as an improvised weapon. However, the pain inflicted on the host body may also weaken the controlling infection form, provided that it was old and weak prior to infecting the host.[8] Combat forms are reliant on their infection form for all bodily and motor functions, and shooting the infection form will "kill" the combat form, though the body can be re-reanimated if another infection form is able to reach it. As a result, a combat form can be resurrected as many times as is needed, provided the body is still intact enough to be a viable host. To properly kill a combat form, it must be dismembered or disfigured to the point at which it is no longer a suitable host body for an infection form.[14]

When a sapient host is infected and made into an attacker form, the infection form is able to absorb all of the host's knowledge and memories. As a result, attacker forms are capable of operating firearms, driving vehicles, operating tools and even starships.[10] In the case of the Infinite Succor's infection, infected warriors were able to set up patrols of the ship's corridors to guard the Proto-Gravemind growing in the ship.[15] The Flood's possession of an individual's body allows it to speak with the host's tongue.[10][15][16] This memory-absorption extends critical knowledge such as command codes or colony locations. As such, when critical personnel are infected, they are contributed to the construction of a Gravemind.[17]

Attacker combat forms use their whip or scythe-like growths to attack their opponents in melee combat, and are capable of performing feats that their hosts previously could not, such as leaping large distances to cover ground. Even if a melee strike is not fatal, the imparted Flood Super Cell is enough to ensure the target's infection and death.[6] As the infection forms do not feel pain, combat forms are undeterred by enemy attacks and will not stop until they are destroyed, or their enemy is killed. Ballistic weapons are notably less effective against some combat forms because of this, with SRS99C-S2 AM sniper rifle rounds passing through combat forms with virtually no effect.[18] Targeted shots against the limbs and embedded infection form are effective ways of dispatching combat forms.[19]

Role within the Flood[edit]

Combat forms make up the majority of the Flood's combatant forces, particularly in the Feral Stage of the parasite's development in which it has yet to acquire enough raw biomass for the creation of a Gravemind or pure forms. During this stage, combat forms are not centrally controlled, and will begin to gather bodies for conversion into more Flood forms.[17] If a location cannot be immediately secured, multiple combat forms may merge to create the Juggernaut and Abomination keymind forms, able to direct local forces in the area until a permanent presence can be established.

When a local biosphere has been completely assimilated into the Flood, typically once the Flood has entered the Coordinated Stage, combat forms cannot be created anymore due to a lack of viable hosts. Due to this, the Flood moves onto breaking down raw biomass into Flood Super Cell, thereby creating pure forms of wholly Flood biomass. Once the number of pure forms reaches a sufficient equilibrium, combat forms are relegated to defensive roles or added to the hive's raw biomass and calcium reserves.[11] Otherwise, aging or damaged combat forms are turned into carrier forms, growing infection forms within a large, bulbous mass on their back.[3][2]

Types of combat forms[edit]

Virtually any creature with sufficiently complex nervous systems can be infected and made a combat form, but the most commonly-seen hosts are those of sapient species such as humans, Sangheili, and Jiralhanae.[14] Kig-Yar and Unggoy can also be made into combat forms, though are seemingly more rare.[10] Sapient hosts such as these are generally made into the most basic version of combat form, simply known as an attacker form.[1] Non-sapient animals can also be made into combat forms provided they have sufficient calcium reserves and neuro-complexity.[2]

All victims of infection via pod infector, regardless of their physiology, will undergo a similar mutation process. The skin decays rapidly, and changes to the color and texture of Flood biomass as the Flood Super Cells overtake the body. In the case of attacker combat forms, the host's arm bones elongate and grow into whip or claw-like appendages, which serve as their primary melee weapon in close-combat situations. As the pod infector now serves as the host's "brain," the head is usually forced aside, and can be severed without any effect on the combat form.[14][notes 1]

Attacker[edit]

Main article: Flood attacker form

The most common and basic combat form is the attacker. These forms are created solely from sapient hosts bent to the Flood's will. As the parasite takes over their thoughts and memories, it uses this information to allow the attacker to use weapons, equipment, and vehicles to further the Flood's reach and overall threat level. Given the intelligence of the host, occasionally the victims can manage a whisper pleading for mercy or simply cries of pain. However, the parasite will more often speak on their behalf using their stolen thoughts to terrorize both the host and any nearby survivors.[1] Potential hosts used for attackers include humans, Sangheili, Jiralhanae, Unggoy, Kig-Yar,[10] and Forerunners.[20]

  • A human attacker form.

    A human attacker form.

  • A Spartan-IV attacker form.

    A Spartan-IV attacker form.

  • A Spartan-II attacker form.

    A Spartan-II attacker form.

  • A Sangheili attacker form.

    A Sangheili attacker form.

  • A Jiralhanae attacker form.

    A Jiralhanae attacker form.

  • A Kig-Yar attacker form.

    A Kig-Yar attacker form.

  • An Unggoy attacker form.

    An Unggoy attacker form.

Thrasher[edit]

Main article: Flood thrasher form

Thrashers are a hulking, vicious variant of combat form created through the infection of certain non-sapient animals with sufficient neuro-complexity. Limited in intellect compared to attackers, thrashers are used as simple weapons in early stages of Flood infiltration and expansion. They have whip-like barbed tentacles and toothy maws suited to gorging on the flesh that fuels their violent rampage. Bearing resemblance to some pure forms, thrashers are primarily employed to defend existing Flood hives.[2]

Swarm[edit]

Main article: Flood swarm

Swarm forms are flying combat forms made via the infection of certain non-sapient avian predators with sufficient calcium reserves and resilient neurosystems. Despite their large size, swarm forms are remarkably swift and capable of performing coordinated attacks from the air with others of their kind. In addition to their sharp talons and teeth, swarm forms can fire infectious barbed projectiles at enemies.[2]

  • A swarm form.

    A swarm form.

  • Another view of a swarm form.

    Another view of a swarm form.

Production notes[edit]

Prior to the Halo Encyclopedia (2022 edition), all human, Sangheili, Jiralhanae, Kig-Yar, and Unggoy combat forms were simply referred to as combat forms. While the Encyclopedia does not dispute this, it further clarified that these kinds of Flood forms are all part of the "attacker" subset of combat forms.[1]

Notes[edit]

  1. ^ In Halo 3, the reanimation process can be witnessed; the host will twitch around in pain, and eventually collapse on the ground. Afterwards, the whip appendages will force itself out of the host's left arm, and the pod infector will force itself out of the host's chest.

List of appearances[edit]

Sources[edit]

  1. ^ a b c d e f g h i j k l Halo Encyclopedia (2022 edition), page 408
  2. ^ a b c d e f Halo Encyclopedia (2022 edition), page 409
  3. ^ a b c d e Halo Waypoint, Flood (Retrieved on Jun 1, 2020) [archive]
  4. ^ Halo Wars 2: Awakening the Nightmare
  5. ^ Halo Wars, Flood Launcher in-game unit
  6. ^ a b Halo: Evolutions - The Mona Lisa
  7. ^ Halo 2: Anniversary, Infection game mode
  8. ^ a b c Halo: The Flood, chapter 10
  9. ^ Halo Wars 2, Phoenix Logs: Infection Forms
  10. ^ a b c d e f g Halo Wars 2, Phoenix Logs: Combat Forms
  11. ^ a b Halo 3, Bestiarum
  12. ^ Halo 4, Flood gametype
  13. ^ Halo Wars 2, Phoenix Logs: Infected
  14. ^ a b c Halo 3, Gameplay
  15. ^ a b Halo Graphic Novel: The Last Voyage of the Infinite Succor
  16. ^ Halo 3, campaign level The Covenant
  17. ^ a b Halo: Combat Evolved, campaign level Keyes
  18. ^ Halo: Combat Evolved, Gameplay
  19. ^ Halo: Official Spartan Field Manual, page 172-175
  20. ^ Halo: Fractures, Defender of the Storm, page 231

v • d • e
 
Known Flood forms
Regular Spore • Pod • Seeder • Tadpole • Dispersal pod
Growths Stalk • Blister
Other Flood Super Cell (FSC)
Infected
Structures
Hives Hive • Den • Nest • Colony • Spore Mound • Cocooned base • Blightlands
Defensive Launcher • Root
Other Porta • Vent
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