"We don't deserve to be killed by you. In this place where Qi power is scarce, we won't be able to advance even if we die. Revenge? Maybe a thousand years or ten thousand years later?" The fish mocked themselves.
Don't mention a thousand years; just a hundred years later, who knows how strong the merpeople will become?
They knew that there were many worlds with an abundance of an energy called spiritual energy. There, they practice faster than humans and beasts here. They are stronger, and they have many resources to cultivate.
Before they died, they just wanted to find out the truth about everything. What exactly happened to their race? How could they fall to this point? There are only fifteen of them now. If this goes on, sooner or later, they will cease to exist if they fail to advance.
