Jyotirlinga
Jyotirlingas have tremendous power because they were consecrated and made in a certain way. There are only twelve Jyotirlingas in the world. They are located at certain geographically and astronomically significant points. These points are subject to certain forces in the existence. A long time ago, people with a certain level of perception very carefully calibrated these spaces and fixed those points according to the celestial movement. These spaces are created in a certain way, not just using human capabilities, but the forces of nature. That is the reason why the Jyotirlingas are located at those particular points.
These temples were consecrated according to the science of energizing forms. This is the science of using life energies to enhance human life in a phenomenal way. If you transform mud into food, we call this agriculture; if you make food into flesh and bone, we call this digestion; if you make flesh into mud, we call this cremation. If you can make this flesh or even a stone or an empty space into a divine possibility, that is called consecration; it is a fantastic science.
Jyotirlingas are very powerful tools if one knows how to make use of them. If you know how, you can completely reorganize the constitution of your system in the presence of a linga like that; you can rewire your system completely. For every kind of linga that was created, there was a specific sadhana attached to it. The sadhana aspect is all gone nowadays. The temples have become like a monument for someone who died long ago. Some of the Jyotirlingas are no longer alive, but many of them are still very powerful tools. (Sadhguru)
Source: https://isha.sadhguru.org/us/en/wisdom/article/jyotirlingas-tools-for-ultimate-wellbeing