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