No, but for that you had to have a place of safety to begin with. The Master didn't, end of story.

He just scowls at her, because seriously, she shouldn't even be here. He should just throw her to the metaphoric wolves of his mind and be done with it.

The drums lash up in his defense as the scene changes around him. They're in the corridors of a ship, and now--now the Master doesn't give a damn who is with him, he'll make an effort to grab for her and try to tug her against a wall, quietly hissing, "Shh--shhh!" and jerking his finger in a silencing gesture. They can't be caught. He can't allow her to reveal them.