What was this "Latch Key Discovery"?
I still don't get it. Everything was explained canon wise before Halo Reach was made. What did the fragment of Cortana have that changed the war in any way?
I'm pretty sure Cortana found the coordinates of Halo through a crystal. So what?
The reason I ask is that I read someone's comment saying that Noble Team's mission was the thing that saved Humanity. Which doesn't make sense to me. Humanity was fine long before Noble Team were added to canon..
But go. Enlighten me.
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Cortana was divided into two halves, one stayed on reach to decode and decipher the forerunner language. The other was with the chief. The latch key I believe was like the rosetta stone for the forerunner language, it would help Cortana in figuring out their language. This helps her with finding information about Halo and other such things when she accesses security systems. In my opinion.