The queens eyes change from what normal awoken eyes look like, right before she falls backwards. It seems to be that Oryx steals her essence or soul or something. Not sure if there is any merit to this theory I came up with, but bungie did say a key person will die. What if that's how Oryx gets the queen. Or it could be something that her and her guard people are doing to help the fight, but either way I now think that Oryx well get her in some way or she gives her life to save many. Either way I can not wait to see how the story unfolds, just hope we don't have to fight a taken version of the queen, I just could not kill her. what do you all think?