The content got utilized from the Araqiel, an enthusiastic AI you to definitely struggled to obtain Colonel Ackerson, certainly one of Dr
Dr. She volunteered to remain behind to ensure most of the UNSC tech is actually safeguarded out-of possible take. [20] She started Process: Light GLOVE, eventually destroying multiple AIs (along with Cortana’s “elderly sibling” Kalmiya) to keep brand new Covenant off accessing UNSC database. To your expectation your Covenant manage mug globally, and training you to regardless of if it did not, she’d feel up against an entire army out-of Covenant ground pushes, Halsey is actually willing to compromise the lady work.
not, it changed whenever Spartans Fred-104, Kelly-087, Vinh-030, Isaac-039, and will-043 searched within entrance so you’re able to Castle Ft. Into the firepower so you’re able to possibly strive their solution, thriving Palace Base’s destruction turned feasible. She offered emergency support with the Spartans because of their injuries, however, a document anomaly thought of because of the her accompanying AI, Kalmiya, drawn Dr. Halsey’s attract.
Months later on, a small grouping of Spartans, together with John-117, rescued Dr
Halsey’s main opposition inside ONI. Immediately following tracing the data supply, Dr. Halsey found the brand new AI, left behind by their learn. Araqiel next endangered the woman, supposed as much as to tell this lady he’d fill brand new space that have poison, hence she would getting reported. In response, Halsey typed in archaic line commands – the bottom password undergirding all the AI characteristics and therefore she got crucial on paper – to get into his code list and private fail-safe, erasing Araqiel out of lives. [21] Once he was lost, she pilfered due to Ackerson’s data, discovering several things including the venue regarding Onyx, proof of the fresh new Spartan-III system and you will a map of the mining tunnels Palace Foot was based abreast of. The second such as curious the doctor because file was classified from the X-Beam level, making the document abnormally essential an ancient geographic survey. Halsey therefore deduced that there try anything worth focusing on under the slope, and that it will be reached from the mining tunnels around Palace Foot.
Providing at the very least such charts offered a great backdoor, she ordered the girl Spartans from the base and you can with the mineshafts. She upcoming brought about Castle Base’s self-destruct method and you may activated new fail-safer toward Kalmiya. Along with her Spartans, Halsey exhausted Castle Feet, moving better for the shafts lower than.
During the period of the second five days, the fresh Spartans and you can Dr Halsey checked brand new mines, seeking possibly an exit otherwise what Dr. Halsey perform dub “the very first development of your own millennium”. Into fifth go out, Fred discovered an entrance on the a giant Precursor structure, and you will inside, the newest Predecessor Crystal. However, inside acquiring of the amazingly, it inadvertently released a surge out-of neutrino rays, attracting compatible partners dating website many Covenant pushes directly to their place.
After the good Covenant attack, Halsey and her class retreated into a hall and was in fact pressed so you’re able to seal from the entry. Following, connection with Isaac and you can Vinh (who had volunteered to invest in time for the others) was missing, in addition they was assumed inactive. It easily learned that the hall try a-dead end, and you may Halsey as well as the thriving Spartans stayed stuck at that area for a time.
Dr. Halsey afterwards watched the importance of destroying the latest Predecessor Crystal just after they caused good Slipspace anomaly one nearly resulted in the destruction of Ascendant Fairness. Immediately after escaping Come to, the team escaped on the asteroid gear that Spartan’s first objective was inside. When you’re there, she took the brand new push back governor’s spacecraft and you may, in addition to Kelly-087, whom she got sedated, escaped to your Slipspace. When questioned of the Admiral Whitcomb why on her behalf actions, she gave a simple UNSC code “Three-Nine-One or two,” and that intended you to she try with the a top concern goal. She trusted the latest Precursor Crystal so you’re able to Corporal Locklear, informing him to save they safe, hidden, and also to carry out whichever it grabbed to keep they off losing into adversary give, just like the Covenant could go one hundred times faster for the Slipspace should they have the Crystal. Locklear destroyed the new crystal using an explosive, eliminating himself along the way. Even after their jobs, but not, the brand new Covenant managed to procure multiple slivers of one’s Crystal.