How did Master Chief stop the flood?

When Master Chief learns that activating Halo would instead wipe the galaxy of sentient life to prevent the Flood's spread, he and Cortana detonate the human ship Pillar of Autumn's engines, destroying the ring and preventing the Flood from escaping.

How were the flood defeated?

The resulting thermonuclear detonation severed the ring world, destroying it and its life support capability to annihilate all sentient life, and simultaneously killed all remaining Flood on Installation 04, along with any other life forms that were on the ring.

How were the flood stopped in Halo 3?

Cortana's plan was to fire the incomplete replacement Halo to end the threat of the Flood. At least the Flood located locally that had followed everyone through the Portal to the Ark. But the Halo only kills sentient life (or Flood food if you will) in order to stave the Flood to death.

Why is Master Chief immune to the flood?

Also the only reason Sergeant Johnson doesn't get infected is because he has Boron's Syndrome/Orion Augmentations which made his Nervous System so screwed up that the Flood couldn't get a match with his Nervous system rendering him immune to getting infected though he does have Flood DNA in him.

What controls the flood Halo?

The Gravemind is a fictional, parasitic, hive mind intelligence in the Halo universe. While only one Gravemind is ever seen in the games, the title is given to the final stage of Flood evolution, in which the Flood becomes a superorganism.

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

Why didn't the Gravemind infect Master Chief?

The Gravemind has no real reason to kill the Chief, Humanity has no weapon that can destroy the Flood that is already so far spread as it is on Installation 05 and Humanity wants to stop the Halo's.

Can the flood infect Spartans?

Yes, they are human afterall, and the Flood can easily break through a Spartans Visor or Armour and infect them.

Why can't the flood infect grunts?

Those are the "tank" varient of a flood pure form. 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 didnt the flood infect Johnson?

The Flood attempted to infect Johnson but he was able to shrug off the effects due to the complications of his Boren's Syndrome.

Why did the arbiter never affected by the flood?

Why was the Arbiter not infected through the inhalation of flood spores? It makes sense that J-117 was not infected, as he presumably has an air filtration system.

Did the precursors create the flood?

It was later revealed that the Flood was not a creation of the Precursors, but the Precursors' perverted and insane remains of themselves. The dust that humanity had discovered that led to the birth of the Flood threat was one of the failsafe measures the Precursors put into place to try and avoid their extinction.

Are the flood on Zeta Halo?

Nope. Allusions are made in the early chapters of the Halo Infinite campaign that Zeta Halo hides a threat that stands to be far worse than the Flood. And the creepy parasitic species does not appear in any capacity.

Why did the Forerunner keep the flood?

This was discussed in the Combat Evolved Anniversary Terminals. 343 Guilty Spark says that the Librarian decided to save them. She did this because of Ancient Humanities victory over the Flood 10,000 years before the Halos were fired.

WHO released the flood?

In the Halo Wars 2 expansion "Awakening the Nightmare", the surviving Flood were accidentally released by the Banished while salvaging the wreck of High Charity.

Who created 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.

How did the flood escape in Halo 2?

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.

How did Sergeant Johnson escape the flood?

He barely escapes being overwhelmed by the Flood's infection forms before reaching a lift out of the containment facility. From there Johnson escapes aboard a Pelican gunship with a handful of other survivors just prior to the ring's destruction.

Is Johnson hugging the elite canon?

In Halo: Combat Evolved Anniversary, the Elite is a Zealot, and Johnson touches the Zealot's rear instead of the other way around. This cutscene, while only viewable on the Legendary difficulty setting, is not canon, since it was specifically made as fan-oriented humor.

How did Johnson escape the brutes?

The Brutes are distracted by the Arbiter's approach and Johnson and some other marines seize the opportunity to break free; Johnson being Johnson immediately deviates towards the closest thing that blows -blam!- up and thus winds up piloting the Scarab.

Can Lekgolo be infected by the flood?

Yes. Unless the Flood have numbers, countless overwhelming numbers.

Can the flood infect brutes?

Walkthrough. This glitch can be done by getting a Flood Infection Form onto a Brute Chieftain. These two do not normally exist in the same area. The only way to get them together is to kill all your allies outside the third tower in the level, while leaving some Flood Carrier Forms alive.

Are Spartan 2s immune to the flood?

Also, Are Spartans 2s immune to the Flood? Yes, they are human afterall, and the Flood can easily break through a Spartans Visor or Armour and infect them. Allthough in irony, Johnson, which has no armour, is inmune to the Flood infection.

How Master Chief almost got infected by the flood?

In Halo: The Flood, Master Chief almost becomes infected by an infection form when it penetrates into his chest and almost manages to reach his spine. In The Mona Lisa, a Marine was slashed by a Combat Form and was infected that way.