Metal, wood, water, fire, and earth, the attributes of the five elements, generate and restrain each other.
The process of fusion is very simple. Those who do not have the right way may not be able to integrate into a kind of supernatural power even in a lifetime, and Zhang Han only used it for a few months.
This is a very exaggerated matter. In fact, with Zhang Han's comprehension of the ninth level of crossing the tribulation, it seems to have become common again.