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