Valmiki Ramayana 7.13.23

का न्वियं स्यादिति शुभा न खल्वन्येन हेतुना ।रूपं ह्यनुपमं कृत्वा रुद्राणी तत्र तिष्ठति॥

kā nviyaṃ syāditi śubhā na khalvanyena hetunā |rūpaṃ hyanupamaṃ kṛtvā rudrāṇī tatra tiṣṭhati ||

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