Halo

spoiler are forward for the Halo season 2 finish .

Summary

Although theHaloseason 2 finis introduces TV audience to the Flood , the episode does n’t have sentence to delve into the metal money ' full chronicle ahead of the show ’s third time of year . In the sophomore outing ’s next-to-last outing , Kwan Ha ( Yerin Ha ) , Dr. Catherine Halsey ( Natascha McElhone ) , and Commander Miranda Keyes ( Olive Gray ) stripe together to clear a cabalistic puzzle in theForerunners ' secluded Onyx facility . trust on the memories of her visions , Kwan solve a star topology - single-valued function riddle that ’s stump the scientist , which afford a threshold . To the trio ’s corporate stupor , a Forerunner science lab stands on the other side of the portal site .

Dr. Halsey reveals that on a previous stint on Onyx , she foundDNA , both " theirs and ours , " in the Forerunnerinstallation . Though surprising , the discovery of the science lab track . While the Forerunner lab is abandoned , the consistency of a scientist is curled on the ground , clutch something . Against Kwan ’s expert judgement , Halsey and Miranda take the Forerunner scientist ’s gadget with them . Insistent on opening the gimmick , Miranda unknowingly unleashes the Flood on the UNSC facility . Sincea single Flood spore is equal to of destroying an integral species , it ’s not surprising that the virulent parasite makes flying work of UNSC personnel .

The Origins Of The Flood In Halo

Why Halo Season 2’s Parasitic Organisms Are Such A Threat

Dubbed " the Parasite " by the Covenant , the Flood is an ancient species that predates both humans and the Covenant by several millennia . The epenthetic organism both regurgitate and grow by consuming sentient lifeforms . So long as read lifeforms have enough biomass and word , they ’ll feed the Flood ’s hunger . A corrupted form of the Precursors — the Galax urceolata ’s original holders of theForerunners ' Mantle of Responsibility — the Flood circularize by taint lifeforms . Once it does , the Flood hijacks their unquiet systems and bodies , causing them to undergo horrifying mutations .

However , the Flood ’s physical manifestation is n’t the only chilling part of its nature . In accession to taking on the memories and intelligence activity of its victims , the Flood forms share one cognisance . The more host the Flood crease to its will , the more complex that hive idea becomes . As watch in the cave art that Kwan Ha examines inHaloseason 2 " Sanctuary , " the Flood consciousness becomes a atrocious Gravemind entity once it infect enough organism . Given its beehive mind , the Flood is considered a " transsentient superorganism " — one that is virtually unstoppable if it has biomass to consume ( viaHalopedia ) .

The Forerunner-Flood War, Explained

Why The Forerunners Created The Halo Array

The Flood are the reason the Forerunners create not just the Halo Array , but Shield Worlds like Onyx . Centuries and centuries before the Human - Covenant War , a much more cruel engagement unfolded . As the galaxy ’s custodians , the Forerunners were balance to campaign off the Flood and end it from consuming everything . After losing legions of their own in the war , the highly advanced beings create several tremendous ringworlds(or Halos ) as a defensive measure . What the Halo ring doesis rather simple : it desexualize the galaxy , thus starving the Flood by destroying any potential hosts .

Of course , destroy all sentient life in the galaxy is an utmost standard . The Forerunners planned to repopulate the galaxy , hence why their libraries and other installations are n’t just repository of knowledge , but of familial information . For this same reason , the Forerunners create Shield Worlds : unreal domain watch inside slipspace bubbles and hidden from the Flood by artificial plate . With Onyx , Haloseason 2 introduced a Forerunner Shield World , which is perhaps the only home to hide from not just the Halo Array ’s might but the Flood as well .

The Flood’s Role In Halo’s Core Canon

Halo: Combat Evolved Introduces The Species

The first - ever plot in the franchise , Halo : Combat Evolved , introduces players not just to the mankind of Halo but to the Flood as well . After thePillar of Autumncrashes into Installation 04 , the UNSC and the Covenant all hit upon the Flood . Previously relegated to a containment zona , the Flood infect human and Covenant hosts alike . This prompts 343 Guilty Spark , the Forerunner monitor introduce inHaloseason 2 ’s finish , to enlist Master Chief ’s assistance . Since humans are the new stewards of the galaxy in the Halo timeline , Master Chief is able-bodied to trigger off the Halo Array .

For 343 Guilty Spark , it ’s imperative to curb the Flood . The monitoring machine knows just how much damage even a single spore could cause , and is willing to sacrifice all sentient liveliness in Installation 04 ’s range to insure the Flood starves . Before Master Chief can trigger off the Halo , however , Cortana informs him of the weapon ’s dependable purpose . or else of using the Halo , Master Chief put down it . In all likelihood , a plot alike to that ofHalo : Combat Evolvedwill extend inHaloseason 3 , especially reckon the Chief and Makee ’s ( Charlie Muprhy ) differing stand on using the Halo .

What The Flood’s Appearance In The Halo Season 2 Finale Means

The Flood Will Be Halo Season 3’s Main Threat

In theHaloseason 2 end , most deathsare cause by the Flood . From overwhelming Admiral Parangosky ( Shabana Azmi ) to infecting Dr. Halsey , the being distribute far and wide in the episode ’s short runtime . The way of life the Flood devastates Onyx is a prevue of what could befall in future season of the show , and will no doubt constituent in to the " blessed ones ' " decision to activate the Halo Array or not . By the end of the sequence , Makee makes it clear that she wants to hit a reset buttonin order to terminate the state of war , and the Halo is that .

What setsJohn apart from other humankind inHalo , however , is n’t just his genetic makeup . While that difference of opinion for sure allows him to activate Forerunner technology , he has a hard good sense of morality that conduct how he uses those ability . For the Chief , protect human beings at all costs is the mission . It seems improbable that he ’d activate the Halo Array and knowingly sterilize the beetleweed , even if that is the ripe way to block up the Flood . gratuitous to say , the Flood will serve as futureHaloseasons ' principal counter terror .

All 8 episode ofHaloseason 2 are now streaming on Paramount+ .

Halo Season 2 Hero Showing Master Chief carrying a fallen soldier on the battle field

Pablo Schreiber as Master Chief in the Halo season 2 finale with Flood spores

Custom Image by Kate Bove

Cover of Halo the Flood with Flood creatures attacking Master Chief.

Flood spore in the Halo season 2 finale

Master Chief takes aim at The Flood in Halo Combat Evolved

Halo