Mahabharata 8.46.9

पातालमिव गम्भीरं सुहृदानन्दवर्धनम्अन्तकाभममित्राणां कर्णं हत्वा महाहवेदिष्ट्या युवामनुप्राप्तौ जित्वासुरमिवामरौ

pātālamiva gambhīraṃ suhṛdānandavardhanamantakābhamamitrāṇāṃ karṇaṃ hatvā mahāhavediṣṭyā yuvāmanuprāptau jitvāsuramivāmarau

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