"Due to the deep foundation of the large world, it was relatively stable. Generally speaking, there might be a change once every tens of thousands of years, and the large world will decline or even be destroyed.
"Comparatively speaking, the changes in the medium worlds are faster. Usually, in a few thousand years, there would be many medium worlds that would degenerate into small worlds. Saturn was one such example.
"The world that is about to advance has a characteristic, and that is that there will be a large number of people who reach the limit of the power system of the world.
"After these people cultivate the power of their world to the extreme, they can gradually feel the restrictions and barriers of the world. When there are no vacant spots in the medium world or the large world, these people will never be able to break through.
