But when Vāyu disappeared the people today on the earth had been no longer ready to breathe. For the request of the gods, Brahmā entered the cave and healed Hanumān's wounds. One other gods also blessed Hanumān and conferred on him a variety of boons, like eloquence of expression. https://www.youtube.com/watch?v=6cAOQp6Twlc&t=7s