C688 The Prelude of the Human Race

Lin Yun was a little shocked. He never thought that there would be twins in this world!

Regarding twins, he was not unfamiliar with them. It was just that these two twin worlds really shocked him!

Seeing his reaction, Cheng Ersheng seemed to be ready to throw caution to the wind. He continued, "For several eras, the turmoil in Heavenly Spirit was all for the core of the spirit source. Therefore