Where did Halo Flood come from?

According to Halo lore, the Flood is a product of a war between the Forerunners and the Precursors. Some Precursors, who lost the war, were turned into regenerative dust that created horrific mutations. The remaining Precursors assimilated into this newfound corruption.

How did the Flood spread in Halo?

The Flood spread from the Pheru to Humans, specifically through the humans who ate the Pheru as food. These new vectors forced their fellows to consume infected tissue and spread the infection to whatever they touched.

How did the precursors become the Flood?

However, over millions of years, the dust became defective, failing to reconstitute the Precursors and instead inducing madness and mutations in lifeforms that came in contact with it. This form would later be known as the Flood.

How did the Flood get on Delta Halo?

About 200 years prior to 2552, the Flood on Installation 05 escaped and evaded containment due to negligence on the part of the installation's Monitor, Penitent Tangent. The Flood quickly grew out of control around the area of the Installation's Library.

Why did Halo rings contain Flood?

During the apex of the Forerunner- Flood war, the Forerunners won limited ground and space engagements. During these they put Flood in stasis and shipped them off to find a suitable cure/weapon to beat back this evidently unbeatable foe. So they put them on the rings.

The Flood COMPLETE History (+100,000 Years of Terror)

Who released the flood in Halo?

After losing two Marines, the first squad, together with Captain Keyes and Johnson, continued until they found a locked door. This was probably the same door that the Covenant forces locked in order to contain the Flood outbreak. Upon opening the door, they released the infection.

Why didn t the flood destroy the halos?

Because the Halo Array was/is tuned to destroy anything with a central nervous system. Flood are immune to this because of their physical make up.

Is anyone immune to the Flood in Halo?

Known species in the Halo universe to be immune to the Flood parasite: Unggoy (Grunt): These diminutive creatures lack the sufficient biomass for Flood infection. Their hard carapace potentially adds resistance to the Infection Form as well.

Why did the Flood help Master Chief?

The Flood joined forces with the Master Chief during Halo 3 because they had a common enemy; the Prophet of Truth. If he had succeeded in activating the Halo Rings; he would've killed everyone in the Galaxy, and the Ark.

Did the Gravemind survive?

But after traveling to Installation 08, the Chief discovered that the Gravemind had survived and was attempting to rebuild itself on the new Halo. Despite its best efforts, the Gravemind failed to stop the Chief.

Did humans create the flood Halo?

According to Halo lore, the Flood is a product of a war between the Forerunners and the Precursors. Some Precursors, who lost the war, were turned into regenerative dust that created horrific mutations. The remaining Precursors assimilated into this newfound corruption.

What did the Flood want Halo?

First introduced in the 2001 video game Halo: Combat Evolved, it returns in later entries in the series such as Halo 2, Halo 3, and Halo Wars. The Flood is driven by a desire to infect any sentient life of sufficient size; Flood-infected creatures, also called Flood, in turn can infect other hosts.

Are the Forerunners extinct?

Although they themselves are essentially extinct, evidence of their existence remained, spread across the galaxy in the form of numerous creations, installations and artifacts.

What happens if a Spartan gets infected by the flood?

Should a Spartan become infected with the Flood, code CORRUPTER is declared and weapons of mass destruction are deployed to contain the threat. Such infected Spartans have been simulated in War Games.

Is Johnson immune to the flood?

Johnson is the only human seen to survive a Flood infestation, due to a pre-existing medical condition, known as Boren's Syndrome, that grants immunity to the Flood at the cost of one's mental stability.

Who are the endless in Halo?

The Xalanyn, also known as the Endless, was an advanced race, whose members were imprisoned by the Forerunners on Installation 07 by 97,368 BCE due to their ability to survive the effects of the Halo Array. Their cylixes were eventually discovered by Atriox during the Battle for Zeta Halo in 2560.

What is the Flood Halo weakness?

The Incendiary Grenade instantly destroys all pure Flood forms and is the one true weakness of all pure Flood forms, as well as its Support Weapon counterpart, the Flamethrower.

What is the most powerful Flood in Halo?

The Tank Form is the most powerful that the Stalker can transform into. It's comprised entirely of raw biomass and are tough to take down.

Why didn t the Forerunners exterminate the Flood?

The Forerunners created an A.I. named Mendicant Bias, who was tasked with fighting the flood. Despite being a non biological being, Bias was corrupted by the Gravemind, and turned against the Forerunners, which ultimately led to the Halo Effect, wiping out all life in the galaxy.

Why do grunts not get infected by Flood?

Hunters cannot be infected because they lack a central nervous system. Also, jackals and grunts do not have enough biomass to be converted into combat forms. They are either broken down and turned into infection forms, or combined into a carrier form.

Why can't Johnson get infected?

The most basic, simple explanation is that Johnson isn't immune, he was just lucky (i.e. the infection forms that went after him were weakened like the ones that got Jenkins, his augmented status just gave him a chance the others didn't get, or his perception that they “passed him up” is just dead wrong.)

Why can't Johnson be infected with the flood?

Johnson is the only human seen to survive a Flood infestation, due to a pre-existing medical condition, known as Boren's Syndrome, that grants immunity to the Flood at the cost of one's mental stability.

Who built the Halo rings?

As it is known in modern times, the Halo Array is a network of seven ring-shaped megastructures created by the Forerunners, designed to exterminate all sentient life within the Milky Way galaxy.

What happens if a Halo ring is activated?

The rings act together as a weapon of last resort; when fired, they kill all sentient life in the galaxy capable of falling prey to the Flood, thereby starving the parasite of its food. The battle to prevent their activation forms the crux of the plot progression for the first Halo trilogy of games.

Why did the Forerunners make the Flood?

They intentionally let some humans go uninfected to make it seem like there was a cure. The Floods ultimate goal was to enact revenge on the Forerunners and to strip free will from their creations by infecting them as to prevent them from being able to rise up against their creator again.