Hanuman assumed Panchamukhi or five-faced type to kill Ahiravana, a powerful rakshasa black-magician and practitioner from the dark arts throughout the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the only real solution to eliminate him was to extinguish five lamps https://www.instagram.com/tantramantraaurvigyaan/