User blog comment:Morganaforever/Question about Guinevere and Series 5 in general/@comment-176.58.131.249-20121112185824/@comment-4623180-20121113031357

Since the last thing good Gwen said to Morgana was "I want no part in it [twisted game]" I think Morgana sensed the knights approaching and needed an emergency approach to brainwash her fully, so she used powerful magic to intensify the mandrake roots by 100x and make Gwen completely overwhelmed with the idea that those in Camelot were her enemies. She felt if she did not respond this way she and Morgana would lose.