Three days later.

The overseer team leader struggled to get out of bed, panting heavily. Despite having rested well all night, his entire body was still sore, and his legs trembled uncontrollably.

He walked to the mirror and saw that his once chubby face had thinned considerably, his brows carrying an uncontrollable fatigue, making him look extremely haggard.

"I've been using pills to replenish my energy and blood every day. It shouldn't be like this."