These Netherworld souls restored by Yang Chen still retained the memory of their enslavement. When they were liberated from being ghostly Yin spirits by Yang Chen and returned to a normal soul state, they awoke, realizing they had been enslaved by the Netherworld for so long.
As such, anger, hatred, and various emotions burned in the hearts of these experts.
They were not ordinary characters in the first place, otherwise, they wouldn't have enjoyed the status of high-ranking or king-level ghost beings in the Netherworld.
It's important to note that the distinctions of high-ranking, king-level, and emperor-level are solely based on their status and strength in their previous lives.
"Dammit, I was once a member of the Earthbound Clan. After being enslaved, I ended up killing so many of my own people. I can't stand sharing the same sky with those from the Netherworld."
"I was a cultivator of the Human Race. How did I become a Yin soul and fight against my own kind?"
