Hanuman assumed Panchamukhi or five-faced variety to eliminate Ahiravana, a powerful rakshasa black-magician and practitioner of the dark arts through the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the one approach to eliminate him was to extinguish 5 lamps burning https://griffinqboak.timeblog.net/72513100/top-guidelines-of-mantra