C539 Slaughter into the underworld

"How dare you!" No one has dared to speak to this sovereign like that in so many years.

Black Mountain Old Demon was so angry that he laughed instead. He had taken over the dead city, had countless of evil spirits and ghost generals under his command, and even had more than a dozen ghost kings. But now, a mere elemental spirit cultivator dared to be arrogant in front of him