C500 The Entrance to the Volcano

"I remember that the Sovereign Devil King only reveals its inscriptions with the help of flames, right? Maybe I should heat it up; there could be something new to uncover," Yang Rui mused, examining the Sovereign Devil King in his grasp.

While Yang Rui pondered how to unlock the door to the Secret Land, a sly smile crept across his face. "Well, well, you're quite persistent