The lightness with which Arjuna shot the weapon and also the fiery energy of the Narayana weapon, rendered it impossible for any body to perceive that Bhima was also protected by the Varuna weapon.
नालक्षयत तत् कश्चिद् वारुणास्रेण संवृतम्। अर्जुनस्य लघुत्वाच संवृतत्वाच तेजसः॥