Mantras are only endowed with transformative power if given in initiation (dīkṣa) from the mouth of the guru. It's not at all a great deal of proper pronunciation, but rather the facility with which the mantra is endowed that gives it reworking functionality. So, a mantra is virtually a Instrument https://erickjkjmc.blogzet.com/everything-about-mahakal-51787530