Zachary let himself step off the treadmill when the sweat settled on his skin as newly melted snow crystals. His legs were empty—and there was a rising feeling of nausea from his stomach. It never ceased to amaze him how the muscles that had been working so hard only seconds ago were then struggling to hold his weight. He relaxed for a few seconds before jumping on the exercising machine once again to restart the high-intensity routine. Zachary only had that single exercise remaining to complete the system mission he had been toiling with for over a year. He was glad about the training plans designed by the system. The high-intensity interval-training mimicked the rhythms of a real football match—where a player might quickly switch between walking around the pitch and sprinting into the

