As the mistake was completed by the god Indra, he grants Hanuman a want that his human body can be as robust as Indra's Vajra, and that his Vajra might also not damage him. As well as Indra other gods have also granted him needs: the God Agni granted Hanuman https://hanumantempleinadelaide.fitness.blog/2024/04/17/a-sanctuary-of-hindu-worship-and-community-spirit/