As the mistake was performed through the god Indra, he grants Hanuman a would like that his human body can be as powerful as Indra's Vajra, and that his Vajra may also not hurt him. Together with Indra other gods have also granted him wishes: the God Agni granted Hanuman https://hanumantempleadelaide.politics.blog/2024/08/08/exploring-the-spiritual-heart-of-adelaide-hanuman-mandir/