The tradition of such guhya or secretive Bhairava is an oral tradition that is constant in the guru disciple custom. Their karmakand rituals and tactics are secret, they aren't published down but only learnt and practiced in guru disciple tradition. During the Kala Bhairav Ashtakam by Adi Shankracharya, Kala Bhairava https://tituspnhav.onzeblog.com/29895663/a-review-of-bhairav