As the mistake was carried out via the god Indra, he grants Hanuman a desire that his physique can be as strong as Indra's Vajra, Which his Vajra also can not hurt him. Along with Indra other gods have also granted him needs: the God Agni granted Hanuman a desire https://hanumantemplessydney.blogspot.com/2025/08/indian-temple-adelaide-celebrating.html