When Lord Hanuman Indulged in a combat with Ahiravana, he found out that it absolutely was not possible to destroy Ahiravana in a struggle, and there should be some secret about his death. जो सुमिरै हनुमत बलबीरा ॥३६॥ जय जय जय हनुमान गोसाईं । Hanuman has numerous stories within the https://www.youtube.com/watch?v=ufkmD95y7fE&t=1s