Cortana and you can John-117, seemingly the only survivors of the Mainstay regarding Fall ‘ s staff pursuing the Competition of Construction 04, located a few other UNSC professionals which had escaped brand new ring-in an effective Pelican dropship. Realizing that the Pelican was not able to travelling enough time distances, John-117, along with Cortana and Pelican’s five-man staff, battled the way on the Covenant leading Ascendant Fairness. She managed to increase into ship’s guns and Slipspace potential, in a position to posting it so you’re able to light rates less than Threshold’s environment. She then returned this new survivors to arrive, where the category assisted to help you save survivors of your own Raid from Arrived at, and the lady “mommy,” Dr. Halsey.
Cortana indicated that she had pulled a great amount of research regarding Halo, therefore the pure amount of pointers clipped to the their processing energy and you may slowed the girl down. While in the this lady day to the Ascendant Fairness, Cortana presented uncharacteristic choices including frustration, distraction, and you can worry about-question – indicative one to she pancy. Dr. Halsey removed some study of the girl thoughts giving the lady so much more thought area, and research away from Sergeant Johnson’s defense mechanisms towards the Flooding – a result of Boren’s Syndrome.
It had been in addition to showed that throughout the Cortana’s go out into Ascendant Justice, she got captured an excellent Covenant AI, decompiled the brand new AI and you can copied two of their characteristics: the ability to convert Covenant speech, therefore the capacity to perform imperfect clones regarding itself.
Ascendant Fairness is actually effortlessly fused with UNSC Gettysburg. It had been so far one Cortana discovered of a fully planned Covenant physical caribbeancupid violence on the planet. John-117, as well as SPARTAN Bluish Team and an enthusiastic expendable clone regarding Cortana (with all of the data the genuine Cortana had she was only too beneficial to help you risk), do after execute Procedure: First-strike.
Because it proved, the Covenant AI one to Cortana had decompiled had were able to, in advance of the need, upload a message over the Covenant Battlenet, caution the fresh Covenant of its ship’s need and you can sending the mandatory computations to possess a sandwich-atmospheric Slipspace dive. All the info is later on used by the newest Prophet away from Regret to go into Slipspace correct a lot more than New Mombasa when you look at the Race of Mombasa.
This type of capabilities, with her private information about brand new Halos, generated this lady very valuable on the UNSC
John-117 and you will Cortana manage later on come back to Environment, from which section Cortana given every painful and sensitive analysis inside the the woman fingers over to ONI, in the event she held onto the Index and you may seem to nonetheless possessed particular data toward Halo network together with critical information regarding the fresh Ark.
Race out-of Earth
Immediately following returning to Environment, Cortana served with the Orbital Safety Program Cairo, where a ceremony for SGT Johnson, John-117 and you can CDR Miranda Keyes try soon interrupted because of the arrival out of a Covenant Fleet in command of Highest Prophet out-of Regret, doing the battle regarding Environment. Cortana received control over the fresh new Cairo ‘ s Magnetic Accelerator Cannon to hold back the intruders, along with John-117’s assist, she effortlessly deactivated a good Covenant bomb who does features forgotten the fresh channel. She did that it of the publishing so you’re able to John-117’s armor again for the first time because the just take out-of Ascendant Fairness. Whenever she performed this, she somehow managed to do so using him just pressing the latest terminal her hologram was with the, perhaps an update right down to John-117’s the latest age bomb ended up being employed by SPARTAN-117 so you’re able to damage an effective Covenant Physical violence Service provider. John provided on her behalf to remain behind towards the station immediately following she said that their package are in love, however, she chose to compliment him anyhow.  She up coming assisted him when he arrived in The latest Mombasa so you can deal with an excellent Scarab.