Even though Kurosora was born with such strength, that didn't mean she could magically cultivate.
Mingyue had seen many geniuses, even those chosen by the heavens, with talents far better than hers.
However, they needed to learn cultivation theory and study it step by step.
"She's a battle genius. That's why I sealed her here.
Any technique you perform in front of her, she'll be able to copy perfectly.
The more complicated it is, the more time it will take, but at some point, she'll master it.
I've tried to teach her through many methods and tried to communicate with her, but she always attacked me."
"So she reached the immortal realm just by fighting with you since childhood?
Does Kurone know about her?"
"Why do you think she always gives me the cold shoulder?
As a child, she blamed me for her mother's death. Now, she still blames me for her twin's state.