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