Halo
Spoilers are ahead for Halo season 2 , instalment 7 .
Summary
Although Dr. Catherine Halsey ( Natascha McElhone ) is an realized UNSC scientist and thecreator of the Spartan - II program , she was improper about the so - call " city " that viewing audience get a glimpse of inHaloseason 2 , episode 7 . After Kwan Ha ( Yerin Ha ) and Halsey followKwan ’s visionsto the UNSC research site at the center of the underground Forerunner installation , the unlikely duo reunite with Commander Miranda Keyes ( Olive Gray ) . Like her alienated female parent , Miranda has been trying to resolve a cryptic Forerunner puzzleand open a seemingly pertinacious doorway . Luckily , Kwan ’s vision of The Flood bear off .
Using her store of the cave artistic production fromHaloseason 2 ’s first episode , Kwan is able to coiffe the Forerunner star map in accordance with how the galax once looked . Once the room access opens , Dr. Halsey charges ahead . Previously , she found research - alteringDNA ( both " theirs and ours " ) at the Forerunner site . Inside , a glowing bridge circuit suspended over darkness guides the ternary to a laboratory . Inside , they feel an " almost human " scientist ’s body . The being die clutching a mysterious gadget , which Halsey estimate is part of their research . However , the Forerunner science lab is n’t the biggest find the character make .
Halo season 2 at last explain what sets John and his fellow Spartans apart from other humans — and it stems from Dr. Halsey ’s Forerunner connection .

Dr. Halsey, Miranda Keyes & Kwan Discovered Onyx’s Forerunner Shield World
AlthoughHaloseason 2 teased Onyx ’s hush-hush Forerunner connectionbefore , sequence 7 confirms that the hokey satellite will suffice near the same intent in the Silver Timeline as it does in the centre canon . In plus to being a well - kept ONI secret , and the land site of the Spartan - III preparation political platform , Onyx is a Forerunner Shield World . In their war with the all - consuming Flood , the Forerunners build several devices to thwart the epenthetic entity . First , the Halo Array is a galaxy - fix superweapon ; in destroying all sentient life in the beetleweed , the Halo Array effectively starves The Flood .
Shield Worlds and their slipspace house of cards are broadly speaking hide within stilted planets …
Shield Worlds , on the other hand , are defensive measuring . Suspended in slipspace bubbles , they are dependable from the Halo Array ’s might . Moreover , Shield Worlds and their slipspace bubble are broadly hidden within artificial planets . Onyx is a perfect good example : although it seems like a even planet , Onyx was constructed by the Forerunners to conceal the Shield World from The Flood . That said , Dr. Halsey ’s remark about come across an entire metropolis upon pass the research lab is wrong , because what she ’s in reality go through is just one part of something much larger . Where Halsey sees a city , there ’s actually an total Shield World .

Custom Image by Yeider Chacon
Halo time of year 2 , sequence 7 , " Thermopylae , " pick up Dr. Halsey and Commander Miranda Keyes discovering a Forerunner scientist — and a strange machine .
Onyx’s Forerunner Shield World Will Be Crucial In Halo Season 3
When Dr. Halsey calls the Forerunner site"a library,“Halosets up The Floodin its most substantial room yet . From the comprehension of the Forerunner Library and laboratory to Halsey ’s discovery of genetic material at the land site to Kwan ’s increasingly dark visions of an all - eat up monster , The Flood are definitely arriving inHaloseason 3 . to safeguard sentient organism from The Flood ’s onslaught , Shield Worlds like Onyx ’s will be crucial . Plus , several characters are prim to arrive at the Halo , hinting at the superweapon ’s activation , which is yet another intellect why the Shield World is full of life .
Haloseason 2 ’s finale airs on March 21 , 2024 , on Paramount+ .


