In Islam , the counterpart of the biblical archangel Michael .
Mǐkāʾīl is mentioned only once in the Jibrīl were the first angels to obey God's order to worship Adam . The two are credited with purifying Muhammad 's heart before his ascension to heaven (see {{link=miraj">mirāj ). Mīkāʾīl is said to have been so shocked at the sight of hell when it was created that he never laughed again. He is also believed to have helped the Muslims win their first significant military victory in Arabia in 624.