Cortana got a witty and you can lively personality and you can a little feel away from cryptic jokes laced with a few sarcasm. She got neither 
arrogance neither untrue modesty throughout the this lady immense opportunities, and her comments regarding her efficiency has a target direction you to definitely people generally speaking try not to reach. She did rating bored have a tendency to and simply. Actually, it is said you to definitely 7 moments away from laziness for a keen AI was severe.
Cortana did actually display the the lady creator’s memories, viewpoint, opinions, and even values. Whenever she was expected because of the Dr. Halsey to pick a beneficial “company,” Cortana selected John-117 to have their sensory being compatible and his “luck.” [7] An identical need utilized by Halsey on her options, too. She was not only a good fax out of Dr. Halsey’s notice, and in addition a reproduction out-of her real setting, albeit in the a young ages.
Catherine Halsey
Dr. Cortana assisted Halsey doing Castle Base [2] and also beamed at Halsey’s visibility. [34] Since the rampancy took keep, Cortana began to mistrust and stay upset at Halsey. Cortana titled her an effective “condescending bitch.” [34] Even after planning metastability, Cortana entitled their a beast for her procedures regarding SPARTAN-II System. [4]
John-117
She got shown tall devotion to John-117 past whatever the girl programming or objective needed. She appeared to be most loyal so you’re able to your which is happy to aid him with any activity he requested off her. Immediately following she revealed exactly what took place so you can John-117 because the a young child, she made a decision to include your from after that injury to an informed out of the woman overall performance rather than diminishing her goal. While you are good prisoner of one’s Gravemind, the woman sanity is forced on the brink while the she eluded this new Gravemind’s attempts to take and you may dissect the woman getting advice. The lady personal respect to and you will unwavering trust in John-117 helped point her and invite their to hold on even with being inspired to the level off rampancy. Cortana together with thought that she is most readily useful capable to protect John-117 and you can know he may score other AI to exchange her, but believed that no-one manage actually ever manage your for example she would. Whenever John arrived to troubles by the Didact regarding the This new Phoenix Experience, she told the latest Didact you to definitely she wasn’t “. performing this to have mankind.” That was seen as her last act, try securing John. [33]
She frequently joked in the continuing a relationship having John-117 and is also usually designed the a couple emails has create some type of accessory. Ahead of Operation: Red-flag, she tells Dr. Halsey one to John-117 is “glamorous in a prehistoric-creature type of means” if you find yourself examining a photograph regarding him. [36] Inside Raid toward Higher Foundation, his mere presence therefore the reminder of their guarantee in order to the girl was basically adequate on her to pull by herself together with her and help your. [22] During the The latest Phoenix Incident, she forfeited herself to save John. Among the history things she do is actually touch your with a life-size of hologram, some thing she had usually desired to perform. Whenever John is actually devastated because of the the woman upcoming dying, claiming it’s his employment to watch out for their, she informs him they are designed to watch out for for every single other and performed. [33]
“I dislike you! Cortana stop it! You will find decided! If I will die up to speed which watercraft, the main are affected an identical future since me personally. Cortana end! You forfeited everything having your! Handle your self.”
While on board the latest Pass Unto Dawn, Cortana turned into increasingly conflicted regarding her emotions on the John. At the that minute, she off proper hated your, back once again to their typical thoughts. [37] So it argument did actually drop off since the Didact started to scan new vessel. [27] [37]