Mahabharata 7.144.20

रात्रिश्च भरतश्रेष्ठ योधानां युद्धशालिनाम्कालरात्रिनिभा ह्यासीद्घोररूपा भयावहा

rātriśca bharataśreṣṭha yodhānāṃ yuddhaśālināmkālarātrinibhā hyāsīdghorarūpā bhayāvahā

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