C2501 Against a Shura Spirit Cultivator

Compared to some other powerful races, human reproduction is really fast. After ten months of pregnancy and giving birth, they would be able to grow up to adulthood in just a dozen years.

As for the other powerful races, such as the God Race, they needed a thousand years just to have children, and growing up even needed a million years.

The time for each race to bear an infant was different