Also that retains some kind of faith in the advantage of yantra and also the mantras linked to it. It's also advisable to be aware that the Yantra isn't a tool which is meant for the maniping or hurting of a number of people. मन्त्र ज्यो शत्रु भयो। डाकिनी वायो, https://www.youtube.com/@AacharyaGoldieMadan