Cundī dhāraṇī or mantra also 1st appeared in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā Mantras may possibly not directly erase undesirable karma, However they will let you in producing favourable mental states and intentions, which often can influence your actions and their repercussions. Mantras https://www.youtube.com/@AacharyaGoldieMadan/