Bungie took a reasonable off amount of aesthetic liberty regarding evolution from the lady appearance on the Halo trilogy, visibly out of Halo: Treat Advanced to Halo 2. Within the Halo 3, she turned a bit bluer and you can once again her deal with, hair, and the entire body were made into look more feminine and you can practical. From inside the Halo: Combat Advanced Anniversary, she has this lady Halo 3 appearance. When you look at the Halo cuatro, she had deep, significantly more opaque and you may practical hair. Their facial construction got visibly changed, their shape had become a bit more men seeking couples curvacious, and you will she attained most readily useful laid out hands and you will leg. The newest circuit-trend mapping over her looks alter anywhere between most of the game as well.
Cortana was created to penetrate computer systems and you will she is advanced at the activity. She has getting very practical one to she knows Covenant tech far over this lady firms and perhaps, this new Covenant themselves. At the time of early 2553, she has never came across an effective Covenant cover level that she was not able to avoid. On top of that, she’s proficient that have UNSC army knowledge and can work on army boats and you may channels herself. In reality, the latest UNSC’s number one accessibility AIs would be to oversee focusing on out-of point-security weapons used in area matches. To have Cortana, this is simply an additional features. This lady has aided call at multiple significant battles together with Operation: First-strike. She is effective at storage space considerable amounts of data within her holographic appearance, concealing it from the tiny contours out-of code you to definitely made-up the woman graphic form. In the event she was in the details Crystal Processor chip, microscopic traces regarding password are run from the holographic “answering.”
Being able to access Hosts
Cortana is going to be transferred among various personal computers. She required a document Amazingly Chip to maneuver in-and-out of several companies, also John-117’s MJOLNIR armor.  But not, in one such, she merely would have to be touching various other system to gain access to they; but not, this can be probably an item from John-117’s updated armor.  A bit surprisingly, she reverted into studies processor chip; this was most likely because the John-117’s armour is defectively damaged inside the slide to help you Planet one they reverted so you’re able to an ago-upwards program, which also teaches you their additional secure.  An additional such as for instance, in the place of having to be physically “connected” into the hologram projector, John can just contain the processor alongside it. She then “walked” away from it, later “touching” brand new processor to go back to help you it-holographic representations of your own bandwidth. 
One of Cortana’s almost every other efficiency is you to definitely she you will control a brand of starships and you will channels and you can act as its AI, in the event one was not the girl number 1 objective. Cortana possess acted as AI of your Pillar off Autumn, Cairo Station, the brand new Submit Unto Dawn, the new Gettysburg and also the newest Covenant leading Ascendant Fairness. Despite it not-being her objective to behave given that a shipboard AI, Cortana was excellent on it, with Master Keyes getting thus proud of her efficiency for the Slip regarding Reach, he ends up being grateful he never ever reached initialize the newest Pillar out-of Autumn’s real AI. At the time the latest Ascendant Fairness is actually less than individual order, Cortana managed to manage one ship effortlessly just after she shed the fresh new Covenant AI and you will was given full control of its options of the John-117. She turned-out way more expert at the utilizing the ship’s technical than the latest Covenant had been and you can managed to do feats in it the brand new Covenant never ever also notion of seeking. When you find yourself she was in power over one motorboat, Cortana was also capable play the role of new Gettysburg’s AI in the the same time frame, albeit given that vessels are linked which can be in a position to import by herself from one watercraft to the other during the commonly.