As the error was accomplished because of the god Indra, he grants Hanuman a want that his overall body could well be as strong as Indra's Vajra, Which his Vajra could also not harm him. Together with Indra other gods have also granted him needs: the God Agni granted Hanuman https://hanumantempleadelaide.video.blog/2024/08/08/exploring-the-spiritual-heart-of-adelaide-hanuman-mandir/