Same as usual

"The carts don't move from them, right? These rails things," Roan said. "Wouldn't it be better if I just pulled it? That should save some of your time and do something else. You need a hobby, Rain. Something that isn't training."

"It would be too much for everyone to pull the cart for hundreds of kilometers," Rain said. "It also will be troublesome if it has to use the magic of the girls to move all the time."

Rain grappled with the predicament of the cart's mobility for several days. While diligently honing his earth-based magic skills, he encountered a roadblock in his progress with lightning magic. Frustration occasionally clouded his thoughts as he searched for a solution to the cart's movement challenge.