Mahabharata 12.315.32

तत्र देवगणाः साध्याः समभूवन्महाबलाःतेषामप्यभवत्पुत्रः समानो नाम दुर्जयः

tatra devagaṇāḥ sādhyāḥ samabhūvanmahābalāḥteṣāmapyabhavatputraḥ samāno nāma durjayaḥ

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