What's the bad luck in the Book of Changes? What are their names, such as the luck in the cave?

In the Book of Changes, some bad luck is called "robbery" or "fierceness". These rigidities represent difficulties, setbacks, pains and setbacks. Here are some common killers:

1. robbery: it represents a sudden disaster or unfortunate event, such as fire, flood, disease, accident, etc.

2. Prison: it represents legal disputes, official non-litigation, troubles and uneasiness in personal life.

3. Tomb cellar: it represents stagnation, detention and obstacles, which may be manifested as slow personal progress, poor fortune and health problems.

4. Empty robbery: it represents loss, financial ruin, failure and frustration, which may be manifested as money loss, career failure and emotional frustration.

5. Disaster: It represents disasters and unfortunate events, such as earthquakes, wars and diseases.

These demons are considered as factors that will have a negative impact on personal destiny in the Book of Changes. However, the Book of Changes also emphasizes the importance of dealing with these unfavorable factors, and by changing one's behavior and mentality, taking appropriate measures to reduce or avoid its influence.