a high intensity for ten or more hours continuously, with no days off throughout the year, simply can't withstand it in the long run.But there's nothing we can do about it.Li Chen now has no one on ha...Chapter 575: It's Time to Kills, Ning Wang felt even more elated now that he had managed to turn the tide.Li Chen spoke lightly, unfazed by Ning Wang's self-satisfaction. He continued, "The purpose of building these weapons is bec...