KO world view: The universe is divided into twelve time and space and the demon world. They are: gold, silver, copper, iron, wood, water, fire, earth, wind, light, thunder, fantasy time and space and the demon world (refer to "Times Film and Television" 2010.02). Among them, the 12 time and space are divided into three axes: On the The three parts of the ultimate series are based on the three time-spaces of gold, iron and silver respectively. There are time-space gates between each time and space, which can be traveled through, but they need to be established on a certain basis.