Upon thinking of this, Hei Wu's face turned pale.

An imperial palace? How could that be? When did such a thing appear in the Netherworld State? Even in the entire Southern Barbarian Domain, there are only a few!

Poor Hei Wu, who had just broken through to the Martial Emperor level and hadn't even had the chance to savor the joy of his breakthrough, was locked up in the Burning Heaven Tower by Xiao Long.

"Enjoy it slowly!" Xiao Long left the Burning Heaven Tower.