As the error was performed because of the god Indra, he grants Hanuman a desire that his physique would be as solid as Indra's Vajra, Which his Vajra can also not harm him. Coupled with Indra other gods have also granted him needs: the God Agni granted Hanuman a want https://livenewstrackers.blogspot.com/2025/06/strength-of-devotion-balance-of-karma.html