Lets use the example of a person having a fear of failure to illustrate the Twelve Nidanas of dependent origination.
1. Ignorance (avijja): The person may lack understanding of the true nature of reality or have faulty beliefs about success and failure.
2. Mental formations (sankhara): Due to ignorance, the person has formed habitual patterns of avoiding situations where they may fail or taking a perfectionist mentality that pressures them to succeed all the time.
3. Consciousness (viññana): The persons consciousness becomes conditioned by these mental formations, making them prone to experiencing the fear of failure.
4. Name and form (nama-rupa): The persons body and mind manifest in a way that is susceptible to the fear of failure, possibly due to past experiences or cultural pressures.
5. The six sense bases (salayatana): The persons sense organs interact with the external world, leading them to perceive potential situations as threatening to their goals or self-image.
6. Contact (phassa): The person encounters situations or challenges that they perceive as having a high risk of failure, such as a job interview or a public performance.
7. Feeling (vedana): The person experiences unpleasant feelings of anxiety or stress due to their perception of the situation.
8. Craving (tanha): The person develops a desire to avoid the unpleasant feelings and to maintain their self-image or reputation.
9. Clinging (upadana): The persons attachment to their identity and desire for success intensifies, leading them to avoid or obsess over situations that could lead to failure.
10. Becoming (bhava): This clinging to their self-image and avoidance of failure reinforces the persons habitual patterns and tendencies, perpetuating the cycle of fear of failure.
11. Birth (jati): The persons fear of failure manifests in the form of over-preparing for situations, procrastinating, or avoiding challenges altogether.
12. Old age and death (jara-marana): The fear of failure may lead the person to be overly risk-averse, limiting their growth and happiness, or it may undermine their self-esteem, leading to suffering in future situations or even future lives.
This example shows how the Twelve Nidanas can apply to the arising and perpetuation of the fear of failure. By understanding the dependent origination of fear of failure and recognizing the interdependence of the Twelve Links, a person can cultivate mindfulness and wisdom to work towards breaking the cycle of fear, ultimately leading to greater self-acceptance, resilience and maybe even success.

How to break cycle at each point:

Here are some ways in which the cycle of fear of failure can be broken at different steps of dependent origination:

1. Ignorance (avijja) - By cultivating wisdom and understanding the impermanent and selfless nature of reality, one can see that failure is not an ultimate reality, and success and failure are simply events that come and go. This understanding can help to reduce the rigid and unrealistic expectations that underlie the fear of failure.

2. Mental formations (sankhara) - By practicing mindfulness and recognizing the habits and patterns of behavior that arise in response to fear of failure, it is possible to gradually break the chains of conditioning that perpetuate this cycle. One can learn to respond more skillfully to anxiety and stress, rather than automatically falling into habitual patterns of behavior.

3. Consciousness (viññana) - By developing concentration and insight through meditation, one can gain a clearer understanding of the interdependence of all things, including the transient nature of consciousness. This understanding can lead to a more easeful relationship with the ever-changing experiences of reality.

4. Name and form (nama-rupa) - By using mindfulness techniques to observe the sensations and mental states that accompany the fear of failure, it is possible to develop a more spacious relationship to these experiences. This can help to reduce identification with the sensations and thoughts that arise, leading to greater freedom.

5. The six sense bases (salayatana) - By recognizing that the perception of failure is often rooted in conditioning and projection, and is not an absolute reality, one can learn to observe the sensory experiences that trigger the fear of failure with greater equanimity, rather than reacting with habitual patterns of behavior.

6. Contact (phassa) - By cultivating awareness of the triggers that initiate and sustain the fear of failure, such as particular situations or thoughts, one can interrupt the habitual patterns of behavior that arise in response.

7. Feeling (vedana) - By developing mindfulness of the emotions that arise in response to fear of failure and viewing them with greater objectivity, it is possible to interrupt the link between unpleasant feelings and negative emotional responses.

8. Craving (tanha) - By recognizing that craving arises in response to unpleasant feelings, one can develop greater resilience in the face of emotional challenges, and learn to respond with greater equanimity rather than grasping and aversion.

9. Clinging (upadana) - By using mindfulness techniques to observe the attachment to self-image and the desire for success that underlies the fear of failure, it is possible to interrupt the cycle of obsessive thoughts and behaviors.

10. Becoming (bhava) - By recognizing the ways in which clinging to self-image and the fear of failure can limit personal growth and happiness, one can gradually develop a greater willingness to take risks and to let go of limiting patterns.

11. Birth (jati) - By using mindfulness techniques to observe the patterns of behavior that arise in relation to fear of failure, it is possible to interrupt them and to develop new ways of responding to situations of perceived risk or challenge.

12. Old age and death (jara-marana) - By cultivating greater self-compassion and acceptance, and by developing a more fluid relationship with success and failure, one can break free of the chains of fear and move towards a more fulfilling and meaningful life.