C61 Earth Net

"What's a cat's grievance?" I asked, puzzled.

"A cat's grievance, as the name suggests, is a cat's resentment. This resentment clings to the cat's soul and forms a unique spirit body. Such a spirit body can attach itself to a physical entity or to old objects, enduring and persisting for thousands of years."

"Then... the thing inside Xu Ruoxi just now..."

Third Uncle nodded, confirming