As the error was carried out through the god Indra, he grants Hanuman a desire that his system would be as powerful as Indra's Vajra, and that his Vajra may also not harm him. As well as Indra other gods have also granted him wishes: the God Agni granted Hanuman https://hanumanjimandir.food.blog/2024/05/17/hanuman-mandir-a-spiritual-haven-in-south-australia/