The blessings of Maa Baglamukhi produce a divine protecting shield in the form of an aura all over somebody thereby shielding him/her from malefic energies in the form of black magic spells or evil eye. Delighted with Vishnu, the goddess appeared and introduced forth her manifestation Bagalamukhi from your lake. https://www.youtube.com/shorts/5VeSyP9JRw0