In this one month, what she did the most was to do her homework diligently and practice Divine Skills. In the Martial Arts Competition one month later, she must secure the Dragon Elephant Fruit for herself.
The reason why Changtian wanted her to spend this precious month here is because, for any demon, this sort of Spiritual Medicine is something they must obtain. Even he hadn't expected that after tens of thousands of years, the Dragon Elephant Fruit would actually be cultivated within the Hidden Stream.
