C2442 How Did You Reproduce?

As they continued to advance deeper into the central region, Tang Yu's eyes slightly narrowed, and a faint smile appeared at the corner of his mouth.

Looking around, it was just as Yang Shichao had said, this was an area covered in lightning. In the entire region, the sky was covered with a thick layer of thunderclouds, rolling and flashing with dense lightning.

After stepping into this region