Also that retains some sort of religion within the advantage of yantra and also the mantras associated with it. You should also remember that the Yantra is not a Device that is designed for the maniping or hurting of many people. मन्त्र ज्यो शत्रु भयो। डाकिनी वायो, जानु वायो। Thaipusam, https://www.youtube.com/@AacharyaGoldieMadan