Even doing a lot of work every day wouldn't leave them feeling too exhausted, and that's why power users would become the mainstay of their families.
For the more you worked each day, the more money you could earn—a necessary rule, and even if these people worked 24 hours a day, they still wouldn't feel physical fatigue. Assuming they went without sleep, they could guarantee to complete all work every day.
Power users were endowed by nature; only those capable of cultivation could be called hard workers, and their capabilities weren't innate at birth. They had to improve through acquired cultivation and continually enhance their abilities. Only by doing so could they become true power users, but even before that, they were distinctly different from commoners.
Both in spirit and physical strength, they were far superior to ordinary people, and their strength was astonishing; even lifting a huge boulder by themselves was an easy task.
