Hanuman assumed Panchamukhi or 5-confronted variety to destroy Ahiravana, a robust rakshasa black-magician and practitioner of the darkish arts during the Ramayana war. Ahiravana, brother of Ravana, had taken Lord Rama and Lakshmana to netherworld as captive, and the sole way to kill him was to extinguish five lamps burning https://www.youtube.com/@Mahavidyabaglamukhi