Vṛddha-kanyā-carita and Balarāma’s Kurukṣetra Inquiry (वृद्धकन्या-चरितम् / कुरुक्षेत्रफल-प्रश्नः)
न चोपलेभे भगवान् शक्र: प्रहरणं तदा
na copalebhe bhagavān śakraḥ praharaṇaṃ tadā
And at that moment even the illustrious Śakra (Indra) could not obtain his weapon.
वैशम्पायन उवाच