Mahabharata 7.67.9

तस्याशु क्षिपतो भल्लान्भल्लैः संनतपर्वभिःप्रत्यविध्यदमेयात्मा ब्रह्मास्त्रं समुदीरयन्

tasyāśu kṣipato bhallānbhallaiḥ saṃnataparvabhiḥpratyavidhyadameyātmā brahmāstraṃ samudīrayan

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