C721 The Truth of Chen Chu's Beast Transformation Was Revealed

Earth had existed for more than five billion years!

Many powerful creatures had been born from it.

Ancestral Dragon, Ancient Phoenix, First Qilin, Zhulong...

Other than these unique existences, there were also some existences that were not inferior to them.

After that, the only ones who left Earth, these unique existences, also left Earth.

On one hand