Time hurried by.
Before long, the Old Humans of the previous era had successfully multiplied and thrived in their new homeland.
However.
Perhaps due to changes in the environment.
The physical fitness and all other qualities of newborns continued to decline.
The immense strength that had once allowed them to cleave mountains and sever rivers with ease steadily weakened with each passing generation.
It was as though those overly powerful abilities did not quite suit the current environment, which had scarcely any magic beasts, and had automatically been downgraded.
Because of this.
The Old Humans from the previous era were described as demigods in all kinds of biographies.
Born with divine power, they could effortlessly slaughter armies by the thousands, split mountains and forge rivers, summon wind and rain, and accomplish all manner of feats beyond ordinary people.
Their first three to five generations of direct descendants were known as Golden Humans.
Powerful, healthy, intelligent, and born with certain special abilities. Though their strength was not as exaggerated as that of the Old Humans, it was not far behind.
One person alone could suppress the mighty kingdoms of later ages and rule over vast numbers of subjects.
After that came the Silver Humans, born more than ten generations after the Golden Humans began to multiply.
They possessed extraordinary abilities, but their strength was less than one-tenth that of the Golden Humans.
They had the courage to stand against ten thousand men.
But that was all.
The Bronze Humans, born hundreds of generations after the Silver Humans, suffered an even more cliff-like decline. They could only be said to be beyond the strength of ordinary creatures on Earth in one-on-one combat, but if several dozen soldiers had good weapons and came prepared, the outcome was no longer so certain...
Finally.
There