Taking over the blazing continent was not troublesome at all for the Domination Star territory. Due to the fact that the territory possessed so many humans with high power levels, they were able to easily overpower the members of the other races.
Henry had decided at some point in time that those in the divine rank would only deal with those in the divine rank and leave those below to those in the ancient rank and below. That was just to ensure that the members of the territory would be able to earn enough merit points that they could utilize in the apocalyptic store.
This way, those that possessed limited potential and could not advance beyond a certain power level could purchase the item that would enable them to break that restriction. Of course, breaking the restriction required a person to be able to improve the grade of the profession that they possessed.