Arjuna and Bhimasena are both powerful like the Wind and the Fire respectively. The twin sons of Madri equal in prowess even the Lord of the celestial himself.
अर्जुनो भीमसेनश्च वाय्वग्निसमतेजसौ। माद्रीपुत्रौ च विक्रान्तौ त्रिदशानामिवेश्वरौ॥