Logically speaking, humans and ghosts were different. Before a person died, they could only rely on that breath of resentment to ensure that their soul would not be destroyed after death.
However, if the resentment was insufficient and there was no place to possess, wandering in the human world would eventually cause the soul to dissipate with the passage of time.
Unless there was a strong enough resentment to support the ghost to absorb Yin Qi and cultivate, it would eventually become a great disaster in the human world.
For an old ghost to be more than a hundred years old, its baleful Qi was already very powerful. Logically speaking, there were not many ghosts like this in the world.
"She mentioned Shen villa ..."
He then linked it to the massacre in Shen villa a hundred years ago, which caused the death of a large number of people in the city. It was also the origin of this haunted incident, so Taoist priest song guessed, "