Cundī dhāraṇī or mantra also first appeared within the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The Durga Gayatri mantra is devoted to Goddess Durga, celebrated for her strength and protecting electric power. This is certainly said to generally be the entire world strongest mantra chanted https://www.youtube.com/@Mahavidyabaglamukhi/