Boom!

The dull sound made people feel suffocated. The air twisted in an instant, and a huge stone weighed tens of thousands of kilograms thousands of meters away was smashed into countless pieces.

"What do you think of it?" The elder couldn't withhold the pride in his eyes. The development of such a great killing weapon was meaningful. It was a great achievement to protect the ordinary people with it, not to mention it was a great ...