Hanuman assumed Panchamukhi or 5-faced type to destroy Ahiravana, a powerful rakshasa black-magician and practitioner from the darkish arts throughout the Ramayana war. Ahiravana, brother of Ravana, experienced taken Lord Rama and Lakshmana to netherworld as captive, and the only solution to kill him was to extinguish five lamps burning https://www.facebook.com/share/1J6iVuTuXb/