As the mistake was carried out via the god Indra, he grants Hanuman a wish that his entire body could well be as powerful as Indra's Vajra, Which his Vajra can also not damage him. Together with Indra other gods have also granted him needs: the God Agni granted Hanuman https://hanumantempleinadelaide.video.blog/2024/11/16/the-role-of-hanuman-mandir-and-shani-dev-temples-in-adelaides-spiritual-community/