As the error was finished with the god Indra, he grants Hanuman a want that his human body can be as solid as Indra's Vajra, Which his Vajra could also not damage him. Coupled with Indra other gods have also granted him needs: the God Agni granted Hanuman a want https://hanumantempleinadelaide.water.blog/2024/05/17/exploring-the-spiritual-oasis-hanuman-mandir-in-south-australia/