In this month, she battled against Rong Xiu almost every day, and her combat power started increasing at an observable speed. But every time her abilities strengthened, Rong Xiu's capabilities would also be elevated.
Hence, he would still suppress her.
He seemed to know very clearly what kind of standard he should maintain his abilities at to unleash her potential to the maximum and not cause harm to her.
However, this was actually the most terrifying part. This was enough to prove that Rong Xiu's control over his force was refined to a stage one couldn't fathom.
Chu Liuyue didn't believe it at the start, but she later hopelessly discovered that she really couldn't figure out Rong Xiu's true abilities.
Every time she thought she had found his weakness and could defeat him, she discovered that he had more up his sleeves. Hence, Chu Liuyue slowly realized that she needed a long time to win against him completely.