Cundī dhāraṇī or mantra also very first appeared during the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā Baṭuka Bhairava will be the youthful type of Kāla Bhairava, a certain and significant sort, especially in Tantra and Śrīvidyā. Mantras are central to Tibetan Buddhism, so much so https://tantramantraaurvigyaan.com/