Also that holds some kind of faith while in the advantage of yantra as well as mantras associated with it. You should also be aware the Yantra isn't a Device that is definitely designed for the maniping or hurting of some people. मन्त्र ज्यो शत्रु भयो। डाकिनी वायो, जानु वायो। https://www.youtube.com/@Mahavidyabaglamukhi