Hanuman assumed Panchamukhi or 5-confronted sort to eliminate Ahiravana, a strong rakshasa black-magician and practitioner from the dark arts in the Ramayana war. Ahiravana, brother of Ravana, experienced taken Lord Rama and Lakshmana to netherworld as captive, and the only way to destroy him was to extinguish 5 lamps burning https://www.instagram.com/tantramantraaurvigyaan/