I still don't understand why there's no police in these kind of stories.
I understand the concept of a lawless land, where power gives you anything, but commerce would never flourish in this type of settings.
If there's no one protecting your interest, no real commerce can take place. You would never exchange anything with anyone, because if they are stronger, they could ignore the contract, steal your ideas without repercussion or just kill you and take your commerce.
A world where everything is decided by might wouldn't look like this. There would be crime, murder, rape and kidnapping everywhere, nobody would wear nice clothes, technology would have stayed in the dark ages and no government would really exist.