Flood combat form

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Template:Flood Species Infobox A Flood Combat Form is the product of an Infection form infecting a sentient host organism. They serve as the Flood's primary combatants, defending the Flood against attack and securing additional hosts for infection.

Pathology

When an Infection Form successfully enters a host body, it takes over the organism's nervous system and mutates it's body using Flood Super Cells. During the infection process, the host's internal organs are broken down and the resultant nutrient stockpile is used to develop the tentacles, claws and various other appendages and apparatuses.

Both living and deceased hosts can be infected. If the host is still living when infected, or at the very least has not suffered somatic brain cell death, the Flood is able to retrieve comparatively vast quantities of information from the hosts memory; including specific coordinates, access codes, flight protocols, etc. If the subject body is dead when infected, presumably less information is able to be gleaned, both in quality and quantity. Once it has total control over the host's body, the Infection Form changes the physiology of the host to better suit its own needs. As Combat Forms retain most of the host's abilities they are able to utilize their host's weapons and vehicles, albiet with less finess. Flood combat forms seem to be able to spread the infection merely through wounding a victim.

On rare occasions, weak or aging infection forms cannot properly take over a host, allowing the host to retain some control and conciousness, as in the case of Private First Class Wallace Jenkins.

In the initial stage of a Flood outbreak, the Feral Stage, Combat Forms communicate using pheromones and have one instinctual behavior: to secure new hosts to strengthen the local controlling intelligence. It is to be noted that a group of Flood will occasionally go after Sentinels if they are perceived to be the greatest threat in an area, even though Sentinels are unable to be infected by the Flood due to their inorganic nature.

Once a sufficient store of biomass is available the Flood enters the Coordinated Stage, and begins forming Pure Form Flood, with the Combat Forms being used either as defensive units or calcium/biomass reserves.

Infected hosts are rapidly digested while being converted, which leaves the host severely ravaged and decayed, much like a corpse that had been exhumed a few weeks after its burial. Flood infection is a rapid and efficient biological process, as it can take under a minute in certain cases.

Types of Combat Forms

Virtually any creature can be infected to become a Combat form, but the most frequently-used hosts are Sangheili, Humans and Jiralhanae. Unggoy and Kig-yar can also be infected, but are rarely seen as combat forms. A small number of species are known to be immune to conversion, including the Mgalekgolo/Lekgolo (which are composed of boneless worms and are only sentient as a collective), the Yanme'e, whose exoskeleton lacks the required amount of calcium which renders infection impossible, and the Huragok which is an artificial organism, and therefore believed to be immune.

All victims of the Flood's infection, regardless of their physiology, will undergo a similar mutation process. The skin decays rapidly, and changes to the texture of Flood biomass as the Flood Super Cell overtakes the body. The host's arm bones elongate and grow into whip or claw-like appendages, which will serve as their primary melee weapon in close-combat situations. As the Infection form now serves as the host's "brain", the head is usually forced aside, and can be severed without any effect on the Combat form. In Halo 3, the reanimation process can be witnessed; the host will twitch around in pain, and eventually collapse on the ground. Afterward, the whip appendages will force itself out of host's left arm, and the Infection Form will force itself out of the host's chest.

If available, the Combat Forms are able wield the arsenals of the UNSC and those of the Covenant. In Halo 2, all Combat Forms are also capable of driving and boarding vehicles and are able to do so in Halo 3, though the ability to drive vehicles is lost. They still retain the ability to board slow moving vehicles however.

Human form

A Human Combat Form

The Human Combat Form is significantly smaller than other forms due to their original smaller size. As with other Combat Forms, it is capable of sustaining massive physical damage before being unusable to the Flood controller; in fact, as long as the chest cavity and legs remain intact, it will continue to fight. Although it cannot take as much damage as the Sangheili Combat Form can, the Human Form has some advantages.

It seems to be more alert and is quicker to melee an opponent. It also presents a smaller, harder target to hit, especially the Infection Form, as it isn't protruding out of the body as much as those of Sangheili Forms. However, in Halo 3, the Human form becomes an easier target to hit; the Infection Form protrudes a lot more out of the host's chest and becomes a visibly significant target, and it seems to be significantly slower.

Sangheili form

File:1213329521 250px-Eliteflood.png

"Sangheili" Combat Form

The Sangheili Combat Form is a formidable enemy as it is very agile, resilient, and capable of utilizing its host's armor abilities such as Active Camouflage and Energy Shields to assist them in combat. The Sangheili Combat Forms are slightly larger than the Human Form and as such present a larger target.

In Halo 2, all of the Sangheili Forms encountered use one armor palette; the Minor Combat Harness. In Halo 3 however, the Sangheili Forms will retain its host's armor palette. Strength of each Sangheili Form will be dependent on the ranks of its host; an infected Sangheili Major will be considerably harder to kill than a Sangheili Minor. Killing a Sangheili Combat Form is easier than a Human Combat form, a shot from a Carbine or Battle Rifle will take one down immediately.

Jiralhanae form

File:1213329520 250px-Bruteflood.png

Brute form schematics.

The Jiralhanae Combat Form is a formidable enemy and is more aggressive in combat than other Combat Forms, as it will charge towards an opponent recklessly; this behavior is most likely a result of the Jiralhanae's savage nature and preference for close combat.

The Jiralhanae Form is more powerful than the Human Form, but falls short against the Sangheili Form. It is bulkier and slower than other Combat Forms. Since a a Jiralhanae cannot be infected until their Power Armor is destroyed, the Jiralhanae Form cannot make use of their host's armor abilities.

Unggoy and Kig-yar combat forms

These forms do not appear in the trilogy and are instead introduced in Halo Wars. Rarely seen in actual combat situations, infected Unggoy and Kig-yar are more commonly converted into Carrier Forms or processed for their biomass. These "building blocks" can be used to add to a Gravemind's superstructure or be molded into Flood Pure Forms.

Unggoy and Kig-yar Combat Forms have only been witnessed in the first recorded contact between the Covenant and the Flood.

Anti-Flood Countermeasures

Combat Forms can take extensive and sizable amounts of damage before being neutralized. Arms, legs and even heads can be dismembered before they are incapacitated. The weak areas of a Combat Form are its sensory appendages that normally develop on the upper chest. This is where the Infection Form has nestled, and the body is incapacitated if this area is destroyed by a projectile weapon.

In all three Halo games, a Combat Form may fall only to stand up again and keep fighting. This can only happen if it still has a usable limb and appendage. In Halo 2 and Halo 3, if the body is not destroyed, Combat Forms can be revived if another Infection Form crawls into it.

Human weapons are generally more effective against the Flood, as Covenant plasma weaponry is designed to debilitate targets by causing burning pain and structural damage to bodies, and the Flood cannot feel pain or be crippled. However, In Halo 3, plasma-based weaponry and melee attacks, formerly weak against the Combat Forms in the previous two games, are now highly effective. Piercing weapons such as the Sniper Rifle and the Beam Rifle have little effect on Combat Forms. At a distance, explosive ordnance such as grenades and ranged weapons such as the Battle Rifle or the Covenant Carbine can perform well against Combat Forms. Do note that Plasma and Spike grenades should be used with caution, as the Combat Form will sometimes ignore all other targets and charge players using such weapons at high speed. The Needler can be devastating, as the supercombine explosion will prevent it coming back to life in Halo: Combat Evolved, and will shatter it in Halo 2 and 3. In addition, the Needler's explosions will destroy an entire horde of charging Flood Combat Forms, similar to grenades and rocket launchers. For ranged weapons, it is recommended for players to focus their fire at the sensory appendages that are visible on Combat Forms as successfully firing at one will immediately bring down a Combat Form. Dismemberment with ranged weapons is also recommended to prevent Combat Forms from firing their held weapons. At close combat, it is recommended that individuals acquire close-quarters weapons such as the Shotgun, Energy Sword and Gravity Hammer as they perform exceptionally well against Combat Forms. Burning Combat Forms with sufficient amounts of heat is one of the most effective methods in any situation, as is the destruction of the torso. Automatic weapons are also effective.

Trivia

General

• In Halo: Combat Evolved Combat Forms will not disintegrate from successive melee hits when they are dead like in Halo 2 and Halo 3.
• Flood Combat Forms seem to take on physiological and biological changes throughout the Halo trilogy; these changes from game to game could be due to the Gravemind's influence in attempting to create a better Flood soldier or they could simply be graphical updates.
• Human flood forms always seem to have a screaming human face when infected.
• Some Sangheili combat forms did not have their shield generators break when transformed by an infection form. Allowing the energy shields to still function.

Halo: Combat Evolved

• In all of the Halo games, Flood Combat Forms always hold the Shotgun with one hand, and fire it without pumping another round into the chamber. They somehow manage to make the shotgun pump itself. A possible explanation for this is that the Flood has extended an appendage into/onto the Shotgun which allows it to use the Shotgun's pump as a body part, or the pump action just wasn't programmed into Halo: Combat Evolved.
• In Halo: Combat Evolved if you stand on a Light Bridge (343 Guilty Spark) and shoot off armed Combat Forms' gun arms, they will leap onto the bridge and get stuck and will only be able to move by jumping at you.
• If you shoot both arms off a Combat Form in Halo: Combat Evolved it will not be able to attack you and will simply follow you around. Players have dubbed this instance as creating a "Flood Buddy".
• This is the only game in which an Infection Form cannot revive a dead Combat Form; instead they may just get back up.
• In Halo: Combat Evolved, all human combat forms are bare foot. The reason for this remains unknown and is strange because human combat forms have shoes in Halo 2 and Halo 3.

Halo 2

• Halo 2 is the only game where the Flood are able to drive and board vehicles.
• When using the Grunt Birthday Party skull against the Flood in Halo 2, the effect of the skull will cause the plasma grenade explosion to occur when you shoot the Combat Form in the chest, where the Infection Form is.
• Reflecting their enhanced intelligence, human combat forms still wear the armor they had on when they first transformed making it signifigantly harder to shoot the infection form in their chest. Elite forms can now also have shields which recharge over time. Once the shield is taken, though, they are very easy to incapacitate.
• The Combat Form's performance in CQC has improved. They can now bite and headbutt enemies if both arms are removed, they will kick enemies if their head and arms are removed.
• The Combat Form can sprint towards enemies at a distance (unable to shoot while sprinting)
• Combat Forms can leap greater distances.

Halo 3

• The Combat Form can pick up any weapon should it be near them when they "resurrect". They will also pick up two handed weapons such as the Plasma Cannon and Flamethrower if close by. Like other weapons, they will wield it with only one hand.
• The Combat Form's performance in CQC is inferior compared to Halo 2. They can't operate or jack vehicles, and don't have the ability to sprint or berserk.
• Probably to prevent the player from getting a big combat advantage from Jiralhanae combat forms during the brief time they are allies in The Covenant, or perhaps to prevent 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.
• 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.
• 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.
• Combat forms are capable of speech in an echoing voice. They usually speak for the Gravemind or quote their host.

Gallery

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  A Human combat form from Halo:Combat Evolved.

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  An Sangheili combat form from Halo:Combat Evolved.

• FloodWeaponless05.jpg

  A Sangheili combat form from Halo 2.

• Combat forrn HGN.jpg

  Two Human combat forms in Halo Graphic Novels's Breaking Quarantine.

• 1216929149 Flood Combat Form (Very Angry).jpg

  A Sangheili Combat Form in Halo: Graphic Novel.

• Flood base-marine-copy-1-.jpg

  Human combat form as depicted on the Halo Wars: Official Strategy Guide.

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  A Marine undergoing the reanimation process after getting infected by an Infection form in Halo 3.

• FloodFaces-large.jpg

  A Jiralhanae combat form and a human combat Form in Halo 3.

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  A Marine killed mid-transformation.

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  A Sangheili combat form in Halo 3.

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  A horde of combat form onboard the prison ship Mona Lisa.

List of appearances

• Halo: Combat Evolved (First appearance)
• Halo 2
• Halo 3
• Halo Wars
• Halo: The Flood
• Halo Graphic Novel
  • The Last Voyage of the Infinite Succor
  • Breaking Quarantine
• Halo: Evolutions - Essential Tales of the Halo Universe
  • The Mona Lisa
• Halo Legends
  • Origins