As the mistake was done from the god Indra, he grants Hanuman a want that his human body can be as potent as Indra's Vajra, Which his Vajra can also not harm him. Along with Indra other gods have also granted him needs: the God Agni granted Hanuman a wish https://panchmukhihanumanmandirnearme.blogspot.com/2025/07/explore-shani-dev-mandir-in-adelaide.html