Cundī dhāraṇī or mantra also very first appeared in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā " For this reason, a mantra is commonly called a "tool with the brain," which will help practitioners attain a state of psychological clarity and inner peace. Bhīṣaṇa Bhairava https://tantramantraaurvigyaan.com/