Valmiki Ramayana Yuddha Kanda Sarga 96 Shloka 41
Original Shlokaततःक्रुद्धोदशग्रीवश्शरैःकाञ्चनभूषणैः । वानराणामनीकेषुचकारकदनंमहत् ।।6.96.41।।
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तः there, क्रुद्धः angered, दशग्रीवः Ten headed, काञ्चनभूषणैः adorned with golden ornaments, शरैः arrows, वानराणाम् at the Vanaras, अनीकेषु using, महत् great, कदनम् war, चकार happened
There the tenheaded Ravana using arrows adorned with gold plumes struck Vanaras and a great war took place.