Hanuman assumed Panchamukhi or 5-faced kind to kill Ahiravana, a strong rakshasa black-magician and practitioner with the darkish arts through the Ramayana war. Ahiravana, brother of Ravana, experienced taken Lord Rama and Lakshmana to netherworld as captive, and the only real strategy to eliminate him was to extinguish 5 lamps https://www.instagram.com/tantramantraaurvigyaan/