Her Puja (worship) ritual infuses Her protecting blessings with the delicate bodies of somebody thus creating a good & protecting aura of energies which can be Divine and make it extremely hard for detrimental energies to permeate. Although Bhairava would not Enjoy a central job in the key Hindu epics https://cristiankquvv.oneworldwiki.com/6826748/a_simple_key_for_kali_unveiled