C85 mark of sky, Array Break

The world in front of him was extremely vast. After agreeing to help the old man break through the formation of the Nine Serenities Soul Formation, Wu Hao had set off to follow him.

After a few more hours, they finally arrived in front of an altar that was wreathed in rolling black gas.

This altar was black.

This strange formation was covered all over.

Balls of black gas rolled around it