As The mistake was accomplished via the god Indra, he grants Hanuman a wish that his system might be as strong as Indra's Vajra, Which his Vajra could also not hurt him. Together with Indra other gods have also granted him wishes: the God Agni granted Hanuman a want that https://hanumanmandirsouthaustralia.travel.blog/2025/05/20/devotion-beyond-boundaries-adelaides-spiritual-heartbeat/