Valmiki Ramayana Yuddha Kanda Sarga 59 Shloka 82
Original Shlokaरावणोऽपिमहातेजाःकपिलाघवविस्मितः । अस्त्रमाहारयामासदीप्तमाग्नेयमद्भुतम् ।।6.59.82।।
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महातेजाः of extraordinary energy, रावणः Ravana, अपि also, कपिलाघवविस्मितः Nila's ability to move, दीप्तम् shining, अद्भुतम् wondered, आग्नेयम् shaft presided by fire god, अस्त्रम् , आहारयामास took up.
Ravana endowed with extraordinary energy was also wonder struck at Neela's agility. Then he took up the shining shaft presided over by fire god.