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