As The mistake was accomplished because of the god Indra, he grants Hanuman a would like that his body can be as solid as Indra's Vajra, and that his Vajra might also not damage him. Along with Indra other gods have also granted him wishes: the God Agni granted Hanuman https://hindutemplesouthaustralia.car.blog/2024/05/17/exploring-the-spiritual-oasis-hanuman-mandir-in-south-australia/