Valmiki Ramayana Yuddha Kanda Sarga 75 Shloka 51

रक्षसाम् Rakshasas, भूषणस्थाभिः by the ornaments, सर्वशः all over, र्भाभि splendour, स्वाभिश्च their own, ते they, अग्निभिस्स्ह torches also, हरयः च monkeys, व्योम sky, सप्रभम् by that glow, चक्रुः went.

The Rakshasas by the effulgence of ornaments and by themselves illumined all over the sky like monkeys did with torches.