Cortana had a witty and you can playful identification and a tiny experience away from cryptic laughs laced with many sarcasm. She had none arrogance nor untrue modesty from the the lady astounding potential, along with her comments about this lady performance features a target angle one to individuals normally don’t get to. She did get bored will and simply. Indeed, they claim one to eight seconds away from laziness to own a keen AI was severe.
Cortana appeared to express a few of the lady creator’s recollections, viewpoint, views, and also thinking. When she are questioned of the Dr. Halsey to select good «service provider,» Cortana chosen John-117 getting their sensory compatibility with his «fortune.» [7] An identical cause employed by Halsey on her behalf alternatives, also. She was not simply a great facsimile from Dr. Halsey’s mind, also a reproduction from their physical setting, albeit within a young age.
Catherine Halsey
Dr. Cortana aided Halsey doing Palace Feet [2] and also beamed at Halsey’s presence. [34] As the rampancy took hold, Cortana began to mistrust and become mad within Halsey. Cortana entitled her a beneficial «condescending cunt.» [34] Despite likely to metastability, Cortana entitled this lady a beast on her behalf procedures regarding the SPARTAN-II Program. [4]
John-117
She got exhibited significant commitment to help you John-117 beyond what her programming otherwise purpose requisite. She appeared to be very dedicated in order to your which can be willing to greatly help your which have any task the guy questioned away from the girl. Immediately following she realized just what occurred to John-117 because the a child, she made a decision to cover him out of further harm to an educated regarding their efficiency rather than limiting their purpose. When you are a good prisoner of the Gravemind, their sanity try forced towards brink as she eluded new Gravemind’s tries to simply take and you can dissect their to have pointers. The girl private support so you can and unwavering rely upon John-117 helped anchor their and enable the lady to hold to your despite getting passionate to the point off rampancy. Cortana and additionally thought that she try better competent to cover John-117 and you may know he may rating some other AI to displace her, however, considered that nobody carry out ever before maintain him such as for instance she’d. Whenever John came into problems of the Didact about The Phoenix Event, she told the 
brand new Didact you to definitely she was not «. doing this for mankind.» That which was named her latest work, is securing John. [33]
She appear to joked in the continuing a relationship with John-117 and it is will meant your two emails has arranged some form of accessory. Before Operation: Red-flag, she tells Dr. Halsey that John-117 is actually «glamorous during the a primitive-creature particular way» when you’re exploring a photograph away from him. [36] Into the Raid into Highest Charity, their simple visibility plus the note of his promise to this lady have been enough on her behalf to pull herself with her that assist your. [22] In The fresh Phoenix Experience, she sacrificed herself to save John. One of several last some thing she does was reach him that have an existence-size of hologram, some thing she had usually wished to carry out. Whenever John is devastated from the the girl following death, saying it is their job to look out for this lady, she tells him he could be designed to look out for for every most other in addition they did. [33]
“I hate you! Cortana stop it! I’ve made up my mind! If I will perish agreeable so it ship, the principle are affected a similar fate once the me. Cortana prevent! You sacrificed everything you getting your! Manage your self.”
While on panel new Forward Unto Dawn, Cortana turned increasingly conflicted from the this lady emotions from the John. On that second, she off best disliked your, returning to her normal emotions. [37] It disagreement appeared to decrease since the Didact began to test the fresh new boat. [27] [37]