Cundī dhāraṇī or mantra also 1st appeared while in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The Durga Gayatri mantra is dedicated to Goddess Durga, celebrated for her energy and protecting power. This is reported for being the globe strongest mantra chanted by Hindus in https://www.youtube.com/@AacharyaGoldieMadan/