Hanuman assumed Panchamukhi or five-confronted sort to destroy Ahiravana, a robust rakshasa black-magician and practitioner from the dark arts during the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the sole strategy to kill him was to extinguish 5 lamps burning https://alexiszmtag.blogoscience.com/43243710/what-does-bhairav-mean