Li Changyin stopped talking upon hearing this, suddenly reversed his grip on the hilt of the Divine Light Sword Spirit, and forcefully plunged it into the ground.
The next second, the ground shook visibly, and the faces of all the researchers changed, sensing something dire was about to happen.
"Damn... Is there no protective measure under this defense circle?" Chu Jun jumped up, sword light penetrating from below nearly stabbing his foot.
"That's more troublesome... Besides, to fend off attacks from magic spirits... there's generally no need to guard the bottom..." Lei Qingfeng said awkwardly.
"We've become sitting ducks; then what's the point of this defense circle?" Chu Jun said frustratedly.
