As the error was finished via the god Indra, he grants Hanuman a wish that his physique can be as potent as Indra's Vajra, Which his Vajra can also not harm him. As well as Indra other gods have also granted him needs: the God Agni granted Hanuman a desire https://www.instagram.com/p/DNhWEu_o-c5/?img_index=1