Mahabharata 8.24.127

युद्धे ह्ययं रुद्रकल्पस्त्वं च ब्रह्मसमोऽनघतस्माच्छक्तौ युवां जेतुं मच्छत्रूंस्ताविवासुरान्

yuddhe hyayaṃ rudrakalpastvaṃ ca brahmasamo'naghatasmācchaktau yuvāṃ jetuṃ macchatrūṃstāvivāsurān

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