Valmiki Ramayana Yuddha Kanda Sarga 108 Shloka 21

सभस्तले in the sky, भ्रममाणम् hovering, महत् huge, गृध्रकुलम् flock of eagles, अस्य on his, रथः chariot, येनयेन whatever path, याति went, तेनतेन there and there, प्रधावति followed

In the sky, a huge flock of eagles hovering on the chariot of Ravana went following the chariot wherever it went.