"Oh, come out at last."

after a fast run, the light of the exit appeared in front of them. The four Xie Xuan rushed out of the canyon, then they all pressed their hands on their knees, panting.

at this moment, there was a loud boom behind him. The four Xie Xuan turned around in surprise and found the long canyon. The mountain walls on both sides fell to the middle. The huge force squeezed the mountain walls out of cracks, and the head sized rocks flew everywhere. In an instant, the Canyon was filled up.

Xie Xuan and others stared at the valley that had disappeared. Their hearts were...