Also that holds some sort of faith inside the virtue of yantra plus the mantras linked to it. You should also bear in mind the Yantra is not really a tool which is intended for the maniping or hurting of lots of people. ऊँ ह्रीं श्रीं चामुण्डा सिंहवाहिनी बीसहस्ती भगवती https://www.youtube.com/@AacharyaGoldieMadan