Mahabharata 6.111.1

धृतराष्ट्र उवाच · dhṛtarāṣṭra uvāca

कथं शांतनवो भीष्मो दशमेऽहनि संजयअयुध्यत महावीर्यैः पाण्डवैः सहसृञ्जयैः

kathaṃ śāṃtanavo bhīṣmo daśame'hani saṃjayaayudhyata mahāvīryaiḥ pāṇḍavaiḥ sahasṛñjayaiḥ

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