C4391 The Density Was Different

"Hiss!"

Chu Yan sucked in a breath of cold air, his heart trembling.

Because the impact of this moment was just too great.

It was even subversive.

Chu Yan had always boasted that he had a good understanding of the Great Dao. Because he had taken many detours, he had gone through countless trials and mistakes before finally figuring out the current system