As The mistake was done through the god Indra, he grants Hanuman a would like that his human body might be as solid as Indra's Vajra, and that his Vajra also can not hurt him. Coupled with Indra other gods have also granted him needs: the God Agni granted Hanuman https://hindutemplesinaustralia.water.blog/2024/09/29/hanuman-mandir-south-australia-a-premier-hindu-temple-in-adelaide/