C497

Bai Feiyue lightly knocked on the barrier. The barrier trembled and rumbled like a musical instrument, resounding through the sky.

Yan Hongjie didn't know what Bai Feiyue was doing, so he quickly asked, "What did you find?"

Bai Feiyue's expression relaxed a bit. "Before, when the Ying Spirit followed me, I studied what kind of fine steel she was made of and understood its structure very well