Valmiki Ramayana Yuddha Kanda Sarga 105 Shloka 28
Original Shlokaयदा च शस्त्रंनारेभे न चकर्षशरासनम् । नास्यप्रत्यकरोवदीर्यंविक्लबेनान्तरात्मना ।।6.105.28।।
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यदा like that, शस्त्रम् missiles, नारेभे not started, शरासनम् arrows, न चकर्ष not able to stretch bow, विक्लबेन confused, अन्तरात्मना mentally, अस्य his, वीर्यम् valiance, न प्रत्यकरोत् not oppose
Being confused mentally, Ravana did not start his arrows, nor stretch his bow, nor was able to use missiles and was not able to oppose Rama's valour.