Valmiki Ramayana Yuddha Kanda Sarga 97 Shloka 10
Original Shlokaममन्थ च महाकायान्राक्षसान्वानरेश्वरः । युगान्तसमयेवायुःप्रवृद्धानगमानिव ।।6.97.10।।
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महाकायः of gigantic body, वानरेश्वरःVanara Lord, युगास्तसमये at the end of the universe, वायुःwind, प्रवृद्धान् huge, अगमानिव like the wind moving tortuously, राक्षसान् Rakshasas, ममन्थच destroyed
The Vanara Lord of gigantic body, moving like the wind, tortuously destroyed the Rakshasas like a huge wind destroying the universe.