Hanuman assumed Panchamukhi or five-confronted kind to eliminate Ahiravana, a strong rakshasa black-magician and practitioner with the darkish arts in the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the only technique to destroy him was to extinguish 5 lamps burning https://www.facebook.com/share/1J6iVuTuXb/