Chapter 147 Silver Bomb Continuous Firing

"Ho! You bastards have completely enraged me!" Kollur roared furiously as he got back on his feet. His ferocious look became even more terrifying because of rage.

"That won't do, Carl. You can't break down Kollur's defense with ordinary bullets. That fella has used a skin hardening skill that makes the surface of his skin extremely hard." Rio frowned and reminded Carl over the radio.

"I know that. I have just launched a tentative attack, but the hardness of that guy's skin is indeed beyond my expectations." Carl's tone did not sound discouraged at all. It seemed that he had expected this.

Bang! Carl fired another shot. This time, the bullet came out at a higher spinning speed and with stronger force.

Kollur seemed to have sensed the bullet coming at him. He turned his head angrily, took a deep breath, and let out a furious howl.

Visible sound waves came out of his huge mouth. Surprisingly, the strong vibrations