It would be like using super heavily specialised vehicles then. Like a huge MACK truck for hauling dirt and such. There s probabaly ultra heavy combat ones as well but they must be expensive.
I'm so sick and tired of these negative ass comments if you don't like it don't read it I'm in love with this novel I've binge read 137 chapters in 2 days thank you to the author. Anyone who hates me for saying this, get eaten by a tapeworm.