C3957 Ultimate Showdown
The so-called 'domain' was an ability that some gods could obtain by chance. He was the god of a world, and he was the one who had the final say in all the rules.
There were big and small domains. It was possible to be as big as a flower or a grain of sand. It was even possible to be as big as the primeval era of the universe.
Unless one's ability surpassed the owner of the 'domain'