As the error was done by the god Indra, he grants Hanuman a would like that his entire body would be as potent as Indra's Vajra, and that his Vajra can also not damage him. Along with Indra other gods have also granted him needs: the God Agni granted Hanuman https://hanumantempleinadelaide.blogspot.com/2024/06/discover-hanuman-mandir-spiritual-oasis.html