Mahabharata 3.39.5

अत्यद्भुतं महाप्राज्ञ रोमहर्षणमर्जुनःभवेन सह संग्रामं चकाराप्रतिमं किलपुरा प्रहरतां श्रेष्ठः संग्रामेष्वपराजितः

atyadbhutaṃ mahāprājña romaharṣaṇamarjunaḥbhavena saha saṃgrāmaṃ cakārāpratimaṃ kilapurā praharatāṃ śreṣṭhaḥ saṃgrāmeṣvaparājitaḥ

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