As the error was done through the god Indra, he grants Hanuman a desire that his overall body could be as robust as Indra's Vajra, and that his Vajra might also not harm him. As well as Indra other gods have also granted him needs: the God Agni granted Hanuman https://news24onlinebuzz.blogspot.com/2025/05/temples-that-transcend-time-and-space.html