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  • Subject: Cortana is Dr. Halsey
Subject: Cortana is Dr. Halsey
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I know that Cortana is Dr. Halsey but in the trailer that is Dr. Halsey.

"I have defied the Gods and Demons."

Im not sure about this but defied meens oppose or resist so maybe Dr. Halsey did something bad in her life that could have helped the World?

"I am your shield, i am your sword."

Maybe Dr. Halsey has information to help him be protected by the covenant and to attack the covenant.

"I know you, your past, your future."

Maybe Cortana sent information about MC and now knows everything about him.

"This is the way the world ends."

There's no need explaining this phrase. All it states is that this is how the world ends.

So thats what i think. what do you?

  • 06.15.2006 8:03 AM PDT
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Well she is based off Dr. Halsey's brainwave patterns.

  • 06.15.2006 8:08 AM PDT
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Great theory...but I think Bungie's already made it clear that it is indeed Cortana in the video.

  • 06.15.2006 8:08 AM PDT

Hated by many, confronted by none.

Posted by: jakob2177
I know that Cortana is Dr. Halsey but in the trailer that is Dr. Halsey.

"I have defied the Gods and Demons."

Im not sure about this but defied meens oppose or resist so maybe Dr. Halsey did something bad in her life that could have helped the World?

"I am your shield, i am your sword."

Maybe Dr. Halsey has information to help him be protected by the covenant and to attack the covenant.

"I know you, your past, your future."

Maybe Cortana sent information about MC and now knows everything about him.

"This is the way the world ends."

There's no need explaining this phrase. All it states is that this is how the world ends.

So thats what i think. what do you?


Well, Cortana IS not Dr Halsey. Catherine Halsey made Cortana and Cortanas personality is based on Halsey. And Cortana knows all that Catherine Halsey knows. Besides Dr Halsey is not dead.

  • 06.15.2006 8:14 AM PDT
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Well if you have paid attention to Halo cortana has promised to take care of MC hence "I AM YOUR SHIELD, I AM YOUR SWORD" This also makes sence since Cortana is named after Curtana, Edward the confessors legendary sword of mercy, the tip according to ledgend was broken off by a angel to prevent wrongful killing. Furthermore the sword is ment to bear the inscription "My name is cortana, of the same steel and temper as Joyeuse and Durendal. - Durendal being the name of the rampant AI in Marathon ( a Previous FPS PC game made by bungie). Hopefully this backs up the point that Cortana isnt Doc Halsey.

But further more the last quote "I KNOW YOU, YOUR PAST, YOUR FUTURE. THIS IS THE WAY THE WORLD ENDS" These are the direct quotes from the Cortana letters that were e-mailed from Bungie to internet inboxs everyware 7 years ago.. These letters seemed to clearly show the deterioration of Cortanas mental state and implied danger and once again Ramponcy.

what do you think?

  • 06.16.2006 10:12 AM PDT
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I agree with everything Monki_Boi said. Aditionaly you have not accounted for the Gravemind voice in the background.

  • 06.16.2006 10:32 AM PDT