As the error was carried out through the god Indra, he grants Hanuman a wish that his body could well be as strong as Indra's Vajra, and that his Vajra can also not damage him. Coupled with Indra other gods have also granted him wishes: the God Agni granted Hanuman https://southaustraliatemple.blogspot.com/2025/01/exploring-divine-presence-of-hanuman.html