The custom of such guhya or secretive Bhairava is definitely an oral tradition that is continuing from the Expert disciple custom. Their karmakand rituals and tactics are top secret, they don't seem to be created down but only learnt and practiced in guru disciple tradition. Bhairavi, the goddess, asks Bhairava https://baglamukhivashikaranmantr15048.blogdigy.com/detailed-notes-on-bhairav-44629154