Dutian Devil King used his magic power to move the divine arts practitioners and gods that were resting in Hutian bottle out first. The Divine Arts practitioners and gods of eternal peace brought many seeds of spirit herbs and grain and immediately flew back and forth among the Black Mountains, they sowed the seeds.
The Divine Arts practitioners used their divine arts of creation to let the seeds grow quickly.
Even if the hundred thousand Black Mountains were full of crops, they would not be able to support hundreds of millions of people. It was already the limit for this piece of Big Black Wood to support tens of millions of people.
Moreover, in addition to food, there was also the need to raise livestock.
The ancestral court could tame ancient behemoths, and it could also hunt powerful behemoths. However, this also required powerful divine arts practitioners and gods to explore the wilderness.