As the mistake was performed from the god Indra, he grants Hanuman a would like that his human body might be as powerful as Indra's Vajra, and that his Vajra can also not damage him. Together with Indra other gods have also granted him wishes: the God Agni granted Hanuman https://hanumanmandirsouthaustralia.movie.blog/2024/04/17/a-sanctuary-of-hindu-worship-and-community-spirit/