Hanuman assumed Panchamukhi or five-confronted form to destroy Ahiravana, a powerful rakshasa black-magician and practitioner on the dark arts during the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the only real solution to eliminate him was to extinguish 5 lamps https://www.facebook.com/share/1J6iVuTuXb/