Hanuman assumed Panchamukhi or 5-faced type to destroy Ahiravana, a powerful rakshasa black-magician and practitioner of your darkish arts through the Ramayana war. Ahiravana, brother of Ravana, experienced taken Lord Rama and Lakshmana to netherworld as captive, and the sole way to eliminate him was to extinguish five lamps burning https://www.youtube.com/@Mahavidyabaglamukhi