She found her stride and her movements became faster. He blocked, but did not attack, though she knew that particular fortune would not hold out for long. He was waiting to see what she would do.
From the intermediate form, she steadily began deviating into more complex combinations of movements, altering the order of the standard forms and going in low as she attempted to land that hit. He still hadn't given her an opening, but he was also only blocking her attacks. Once he started attacking her... that was when it would become truly difficult, so that was also when he would give her an opening, if she was quick enough to take it.