resentful beasts?

We all looked at the monster doubtfully and didn't understand what the bow was talking about. He explained, "The world is so big that there are no surprises. Just as Yang Qi raises people and Yin Qi raises ghosts, this resentment raises beasts. The so-called resentment refers to a series of negative emotions such as violence, depression, sadness, anger and so on, which eventually turn into resentment. This grudge beast is extremely fierce. It is born by eating grudges, but it also eats people.

Chen Haiping frowned and said, "But Tsing Yi Men never told us about the existence of grudged animals."

The bow said, "The bitter beast...