Chapter 5220

As soon as he finished speaking, a cold wind suddenly blew through Nightsky City, and dark clouds covered the city.

The ground cracked, and countless cracks appeared. In the cracks, a large amount of black air began to surge.

As for that person, there was no wind around him, and his entire body became abnormally sinister and terrifying.

Samuel took half a step back and became alert.

"This fellow is a little strange. Samuel, be careful."

Yvonne reminded him in a hurry.

Samuel carefully observed the man's every move and the direction of the black air on the ground.

From the moment he stepped into the jungle, Samuel had noticed that there was something unusual about this place.

Now that the black air was wildly seeping out from the ground, Samuel was naturally clearly aware that something was wrong. He must be careful.

Most importantly, the black air was being used by the person in front of him.

This reminded Samuel of the dragon vein in the Castle of Heaven Devils. At that time