C252 Hundred Ghost Soul Refinement

"I will encounter one of the top ten secret techniques of the ghost realm: Hundred Ghost Soul Refinement Formation!"

Fat Cat Demon Sovereign gave a long meow and slowly said those words, as if they were extremely heavy!

"Hiss!"

Hearing that, Wang Xiaoyu gasped. He never thought that the most famous buildings in the entire city, which were the most prestigious building