Cundī dhāraṇī or mantra also to start with appeared in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā For Conze, the ultimate phase of the development of Buddhist mantras will be the tantric section of Mantrayana. In this tantric period, mantras are within the quite Heart https://www.youtube.com/@Mahavidyabaglamukhi/