As the error was done because of the god Indra, he grants Hanuman a wish that his entire body can be as solid as Indra's Vajra, Which his Vajra may also not damage him. Along with Indra other gods have also granted him needs: the God Agni granted Hanuman a https://shintarof219jtd9.verybigblog.com/36074689/considerations-to-know-about-hanuman