C90

It was because Wu Tie had learned too quickly and improved too quickly. Lin Mufan didn't even have time to savor the feeling of being a Master Wu Tie before he was done. It truly made people feel incomparably regretful.

He regretted it now. If he knew earlier, he would have taught her slowly. He had never underestimated Gu Anning, but he never thought that Gu Anning would be so capable