As the error was finished from the god Indra, he grants Hanuman a want that his human body will be as potent as Indra's Vajra, Which his Vajra may also not damage him. Together with Indra other gods have also granted him wishes: the God Agni granted Hanuman a want https://andyhxnbr.blogsuperapp.com/37582762/5-simple-statements-about-hanuman-explained