Re: Halo 5 speculation (spoilers for Halo 4)
Since the Didact had the technology to "digitize" people I wouldnt be surprised if Cortana used it to somehow to do the opposite for herself. They made a big deal about her architecture being based on human DNA.
"The power of the Cube is MINE to control, you were a FOOL to come here. You have no one to blame but YOURSELF!"
"Please, no human can hold such power"
"You're WRONG!"....."ONE can"