C36 System Upgrade

Suddenly, the system chimed and a cold voice sounded in Zheng Kai's mind.

"Congratulations, you have upgraded to a star trading system. Every time the system upgrades, the master can receive a lottery chance."

System upgrade? You can draw? What the hell is this?

Zheng Kai was confused. He opened the virtual screen and saw a shining star at the top left of the Heaven Realm Trading System page