In the Nether Domain, dark clouds often gathered above the Bitter Sea, eventually unleashing bolts of purple lightning to cleanse the souls struggling within its waters.
The purple lightning released by this Ten-Direction Thunder Dragon was the lightning of the Bitter Sea, which held overwhelming power against soul bodies.
Now, wherever the thunder dragon passed, every supernatural manifestation vanished like smoke and clouds. The Ghost King of Serpent Mountain grunted, clutched his arm, and rapidly retreated, putting distance between himself and the ferocious thunder dragon.
"This brat is actually this terrifying. I should have acted personally back then and cut out the weeds by their roots!"
The Ghost King of Serpent Mountain watched Li Xiao from afar, surrounded by the Sin Soul Banner, his heart wavering between shock and doubt. As the saying went, an expert only needed to make one move to show his mettle. After just one exchange, he realized that Li Xiao's strength was terrifying, even greater than that of his remnant-thought avatar.
This avatar could not suppress Li Xiao. Only his zombie avatar might be able to defeat him.
After all, he had once been the Zombie Emperor, not a Ghost Emperor. Although he knew quite a few secret arts of ghost cultivation, during his reign as the Zombie Emperor, he had disdained gathering them specifically, much less practicing them.
This remnant-thought incarnation of the Ghost King of Serpent Mountain had cultivated only a handful of somewhat rare secret arts. He was no match for that overpowering thunder dragon.
"What? If you won't come at me, then I'll come to you!" Li Xiao looked at the Ghost King of Serpent Mountain and, seeing that he did not dare attack, spoke with a smile.
He took one step forward, and the next instant, his Teleportation Art activated,