Victor knew she was trying to tell him something but she didn't trust anyone in the Magisterium, it was just in her nature to act that way. And she couldn't have just turned evil because that would go against her master's wishes because of the relationship they shared. In a master-servant relationship, if the servant ever decided to go against the master's orders they would die instantly, and since she wasn't dying at the moment that only showed him that she hadn't turned to the dark side.
He put up his sword and pointed its blade at her. "Bring her back when you are done. She's still a prisoner of the Magisterium after all."
Everyone looked surprised but none of them could go against the grandmaster's words. He was the top member in the facility and whatever he said could only be argued by someone of a higher status than his.
