Hanuman assumed Panchamukhi or five-faced form to destroy Ahiravana, a strong rakshasa black-magician and practitioner with the darkish arts over the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the sole method to destroy him was to extinguish 5 lamps burning https://messiahvhkns.thechapblog.com/35822101/the-best-side-of-beej-mantra