Acht then walked to his next destination which was a little bit far. So, not to waste so much time, he used one of the means of transport.
In such a massive city that rivaled the size of a country, having a fast and secure Means of transportation is a necessity. So, people in this world made use of the soul force they had to make engines that work with that energy.
These engines were way better than the fuel ones back on earth and they could even generate enough energy to make a vehicle reach up to 10 times what normal engines could do.
This made moving from one point to another in Lagradon an easy thing to do which also had an effect on the development of the city in many other fields. It's 'Less time, more money' in this world, after all.
In this case, he used the underground metro since it was available all time and also very cheap.
'I should start earning money right now.' He thought to himself.