This time, Xu Tui finally understood what it meant for people to die for money and birds to die for food.
Cheng Mo carried two more repulsive-force flying skateboards with a load of 120 kilograms.
When they returned to the camp more than 10 kilometers away, they immediately fell down when they reached the camp.
If he had not replenished himself with two Level E Energy Restoration Elixirs, Cheng Mo would have collapsed!
Xu Tui, who had a weight of 70 kilograms, was also having a hard time. His stamina had decreased drastically, almost to the limit.
What surprised Xu Tui even more was that as his physical strength decreased, his mind power seemed to have decreased to a certain extent.
He personally experienced that the drastic decrease in physical strength would reduce his mind power to a certain extent. This made Xu Tui determined that he had to spend some time improving his physical fitness when he returned.