Hanuman assumed Panchamukhi or 5-confronted sort to eliminate Ahiravana, a strong rakshasa black-magician and practitioner on the darkish arts through the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the one solution to kill him was to extinguish 5 lamps burning https://neptunedirectory.com/listings13291880/new-step-by-step-map-for-mantra