Mahabharata 1.158.54

त्वत्तो ह्यहं ग्रहीष्यामि अस्त्रमाग्नेयमुत्तमम्तथैव सख्यं बीभत्सो चिराय भरतर्षभ

tvatto hyahaṃ grahīṣyāmi astramāgneyamuttamamtathaiva sakhyaṃ bībhatso cirāya bharatarṣabha

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