Mahabharata 3.239.18

अथ तं निश्चयं तस्य बुद्ध्वा दैतेयदानवाःपातालवासिनो रौद्राः पूर्वं देवैर्विनिर्जिताः

atha taṃ niścayaṃ tasya buddhvā daiteyadānavāḥpātālavāsino raudrāḥ pūrvaṃ devairvinirjitāḥ

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