Mahabharata 9.8.40

तत्राश्चर्यमपश्याम घोररूपं विशां पतेशल्येन संगताः शूरा यदयुध्यन्त भागशः

tatrāścaryamapaśyāma ghorarūpaṃ viśāṃ pateśalyena saṃgatāḥ śūrā yadayudhyanta bhāgaśaḥ

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