Cundī dhāraṇī or mantra also to start with appeared from the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā For Conze, the ultimate phase of the event of Buddhist mantras could be the tantric section of Mantrayana. Within this tantric stage, mantras are in the incredibly Heart https://www.youtube.com/@Mahavidyabaglamukhi/