Hanuman assumed Panchamukhi or 5-faced form to kill Ahiravana, a robust rakshasa black-magician and practitioner from the darkish arts in the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the sole strategy to eliminate him was to extinguish 5 lamps burning https://www.instagram.com/tantramantraaurvigyaan/