Hanuman assumed Panchamukhi or 5-faced form to eliminate Ahiravana, a robust rakshasa black-magician and practitioner of the darkish arts over the Ramayana war. Ahiravana, brother of Ravana, experienced taken Lord Rama and Lakshmana to netherworld as captive, and the only real approach to destroy him was to extinguish five lamps https://worlds-directory.com/listings13665914/about-mantra