C1179 'now, You Can Cooperate with Me Properly, Right?

"Who is it?!"

At this moment, a Four-Star Grandmaster shouted in alarm. His face was filled with vigilance as he flew up and slammed his palm down at the corner!

"Bam!"

With a muffled sound, the wall at the corner instantly trembled, and it completely quieted down. What was surprising was that under the attack of a Four-Star Grandmaster, the wall did not seem to be damaged at all