Cundī dhāraṇī or mantra also initially appeared during the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā Nirguna mantras, derived from historical Vedic texts, are older than any in the three varieties. Nirguna mantras do not simply call on any particular deity or customized attribute of God https://www.youtube.com/@Mahavidyabaglamukhi/