C234 Black Prison Area!

"Upgrade to middle-stage Golden Core in a few days? Young master, I don't feel like I'm improving at all..." Hai Chen said in puzzlement.

Ye Xing flicked his finger, and a stream of true qi shot onto Hai Chen's body. This stream of true qi seemed to have a spirit of its own as it flowed through Hai Chen's body. Very quickly... Hai Chen felt his meridians swelling