Mahabharata 3.97.6

अगस्त्य एव कृत्स्नं तु वातापिं बुभुजे ततःभुक्तवत्यसुरोऽऽह्वानमकरोत्तस्य इल्वलः

agastya eva kṛtsnaṃ tu vātāpiṃ bubhuje tataḥbhuktavatyasuro''hvānamakarottasya ilvalaḥ

Our plain-language meaning of this verse is waiting for scholar review.