Mahabharata 1.181.25

तत्राश्चर्यं भीमसेनश्चकार पुरुषर्षभःयच्छल्यं पतितं भूमौ नाहनद्बलिनं बली

tatrāścaryaṃ bhīmasenaścakāra puruṣarṣabhaḥyacchalyaṃ patitaṃ bhūmau nāhanadbalinaṃ balī

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