Two Realms Fight for Hegemony, Starting with a Sky-Eating Snake.

In an accident, Lu Xuan discovered that he could travel between two worlds and possessed a little black snake in another world. Then he was surprised to find that his talent was to be able to convert any absorbed spiritual material into attribute points and distribute them freely. When the value increased to a certain height, it would trigger evolution. With this ability, he began the road to hegemony between the two worlds...