Through his research, Chen Feng had figured out that the Proficiency System would issue various physical training plans, and upon completing these plans, he could gain corresponding ability rewards.

It didn't sound complicated.

But when Chen Feng turned his attention to those training plans, he was stunned.

[30-Hour Training Plan]: A normal person can complete a thousand sets of exercises in ten hours. If you increase the training volume to three thousand sets, you can complete thirty hours of exercise in one day.