C638 The Battle of the Heavens and the Earth!

Yun Dongliu was actually able to fight against Dragon Emperor?

Although it was only a short exchange, it had proved Yun Dongliu's strength!

Furthermore, he was so young, and the space for him to improve in the future was too big.

Even if he only improved by a small amount every five hundred years, it would be enough for him to become a Dragon Emperor in a thousand years!

This..