At this point, Crusher is heavily compelled to listen to the Prisoner when he imbues his voice with his magic. She recognizes his scent and is aroused by it. Her mind unconsciously focuses on sex. Crusher does not know it yet, but her pure hetero feelings have started to explore other options. Even with all of these changes, her transformation has not been completed. It is a slow process of sinking depravities.
Panel 4 was heavily inspired by this image from JustSomeNoob. If you haven't checked out his work, he makes some great orc and catholic nun B&W paintings.