C536 This Big Fish will Discharge

"Looks like there's some sort of mechanism here." Qin Yun gave up on using brute force to push open the stone door. He began circling the stone door as he carefully searched for the mechanism.

However, after searching with all his might, he still couldn't find anything.

Seeing the Heavenly Spirit Stone in front of him, Qin Yun was naturally unwilling to give up