Valmiki Ramayana Yuddha Kanda Sarga 69 Shloka 70
Original Shlokaयावद्विक्रमितुंबुधदिंचक्रुःप्लवगपुङ्गवाः । तावदेतानतिक्रम्यनिर्बिभेदनरान्तकः ।।6.69.70।।
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प्लवगपुङ्गवाः leaders of monkeys, विक्रमितुम् going past, यावत् all over, बुधदिम् before knowing, चक्रुः went, तावदेव before their attempt, एतान् them, अतिक्रम्य overcoming, नरान्तकः Naranthaka, निर्बिभेद destroyed.
Naranthaka went past the Vanara leaders all over even before they attempted, he destroyed them.