Valmiki Ramayana 5.66.12

कथं सा मम सुश्रोणी भीरुभीरुः सती सदा ।भयावहानां घोराणां मध्ये तिष्ठति रक्षसाम्॥

kathaṃ sā mama suśroṇī bhīrubhīruḥ satī sadā |bhayāvahānāṃ ghorāṇāṃ madhye tiṣṭhati rakṣasām ||

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