When Wu Yu was on the Clear Sky of Shushan, the highest he ever reached was just slightly above the waist of the mountain. 

The Shushan Immortal Domain at the peak of the mountain was once his dream. However, he did not get to fulfill this dream due to Nangong Wei. 

On this creepy mountain of lightning, anywhere above the waist of the mountain was foreign to him. 

With his speed, it was natural that he was leading the pack. He had already left those geniuses of the Jambu Realm in the dust. 

Turning back to catch a glimpse, he could no longer see anyone else. All he saw was some Ravaging Lightning Serpents who refused to give up and continued chasing him. 

"The higher I get, the greater the number of purple lightning bolts. Even those Ravaging Lightning Serpents are getting plentiful." 

At this point, densely packed lightning bolts filled the region above his head. The Ravaging Lightning Serpents watched balefully and were mixed within the lightning. When the opportunity arose, they would charge towards Wu Yu. 

On the ground, the lightning bolts that scampered across the rocks, earth and air were also increasing. 

Lifting his head, Wu Yu could see that he was really close to the top.  

Wu Yu had long understood that the peak of the Clear Sky of Shushan couldn't reach...