```
"You'll need to rest for quite a while," Ji Yun had already figured out the root of the problem. "I'll go up the mountain later to pick some herbs, and you need to use this to apply heat for fifteen minutes before you sleep every day."
The main factor was that Shen Cangcang's training intensity was too high, causing long-term internal injuries to her knees.
It was out of the question for her to get surgery; such operations involving the bones and joints would mean that Shen Cangcang had reached a point where she had movement issues and would have to say goodbye to martial arts forever.
She still needed to recuperate, and it was going to be a lengthy process.
