Naturally this could not have long gone unnoticed by Duryodhan who then purchased the rakshas Alambusha to attack Iravan. Since the two Iravan and Alambusha ended up master of illusion the subsequent steps with the struggle are actually very fascinating: Hanuman's job during the struggle between Rama and Ravana is https://mantra85296.shotblogs.com/little-known-facts-about-bhairav-51583874