Hanuman assumed Panchamukhi or five-faced type to kill Ahiravana, a robust rakshasa black-magician and practitioner of your dim arts over the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the one way to destroy him was to extinguish 5 lamps burning https://www.instagram.com/tantramantraaurvigyaan/