C578 Lei Yun's Mutation

After supporting Lei Yun, Mu Yun placed his hand on Lei Yun's wrist, at the same time using the Celestial Nether Spell to sense the changes in Lei Yun's body.

At this moment, Lei Yun had completely fainted, but her pulse was beating very fast. The blood in her body was like a raging river, and one could even hear the faint "Hua Hua" sound.

"Mu Yun