Chen Yang continued, "In my world, for example, Master Wuwei has long been dead. That's because there are mana in that world, and then there are many changes in the pattern. Then, in this world, Master Wuwei will change some things because he is still alive.

"Butterfly effect!" Shen Morong smiled softly and said, "I understand that a small butterfly fan can trigger a tsunami. Is it not that so many butterflies have changed the whole world?

"You're wrong." Chen Yang said: "All the changes are small patterns, just like thousands of streams returning to the sea. Under the strong tsunami tide, some minor changes can not stop the progress...