As the mistake was accomplished with the god Indra, he grants Hanuman a desire that his system might be as powerful as Indra's Vajra, Which his Vajra may also not damage him. In conjunction with Indra other gods have also granted him wishes: the God Agni granted Hanuman a want https://shanidevtempleadelaide.blogspot.com/2024/06/hanuman-mandir-adelaide-beacon-of-faith.html