As the error was carried out through the god Indra, he grants Hanuman a want that his entire body would be as powerful as Indra's Vajra, and that his Vajra may also not damage him. In conjunction with Indra other gods have also granted him needs: the God Agni granted https://devinumdtl.bloggactif.com/33939508/considerations-to-know-about-panchmukhi-hanuman