She waited until the end and grasped the timing of the attack in order to transmute only the parts of her body that were about to be hit by the daggers into diamond.
The result was as she had expected, the daggers bounced off of her diamond defense and the opponent didn't get enough time to change the direction of the attack at the last second.
This gave her a feeling of satisfaction as she felt that she had found the way to defeat the first opponent without expending a lot of her own energy.
In reality, Rebecca was thinking too much. Kacie wasn't an opponent that she could deal with so easily. The most important aspect of Kacie's skills was her flexibility. She had various different methods of attack and on top of that her intelligence was amongst the top of her peers. The combination of intelligence and flexibility could prove to be very dangerous for any individual.
