Also that holds some kind of faith in the advantage of yantra along with the mantras linked to it. You should also bear in mind that the Yantra isn't a Resource which is meant for the maniping or hurting of some people. मन्त्र ज्यो शत्रु भयो। डाकिनी वायो, जानु वायो। https://www.youtube.com/@Mahavidyabaglamukhi