Cundī dhāraṇī or mantra also 1st appeared within the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā Nirguna mantras, derived from historical Vedic texts, are more mature than any in the three types. Nirguna mantras don't get in touch with upon any specific deity or customized attribute https://tantramantraaurvigyaan.com/