Mahabharata 13.36.11

एतत्कारणमाज्ञाय दृष्ट्वा देवासुरं पुरायुद्धं पिता मे हृष्टात्मा विस्मितः प्रत्यपद्यत

etatkāraṇamājñāya dṛṣṭvā devāsuraṃ purāyuddhaṃ pitā me hṛṣṭātmā vismitaḥ pratyapadyata

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