Mantras are only endowed with transformative electrical power if offered in initiation (dīkṣa) from your mouth of a guru. It's not much accurate pronunciation, but instead the ability with which the mantra is endowed that offers it transforming functionality. Thus, it’s ideal to use Encyclopedia.com citations as a starting point https://zanderpzagh.idblogz.com/37320832/the-bhairav-diaries