Valmiki Ramayana Yuddha Kanda Sarga 70 Shloka 49
Original Shlokaतस्मिन् न्हतेदेवरिपौत्रिशीर्षेहनूमताशक्रपराक्रमेण । नेदुःप्लवंगाःप्रचचालभूमीरक्षांस्यथोदुद्रुविरेसमन्तात् ।।6.70.49।।
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देवरिपौ enemy of gods, तस्मिन् his, त्रिशीर्षे Trisira's, शक्रपराक्रमेण endowed with the prowess of Indra, हनूमता Hanuman, हते killed, प्लवंगाः monkeys, नेदुः roared, भूमिः earth, प्रचचाल shook, अथो and, रक्षांसि Rakshasas, समन्तात् in all sides, दुद्रुविरे took to their heels.
Trisira, the enemy of gods, endowed with the prowess of Indra got killed by Hanuman. The earth shook, the monkeys roared and the Rakshasas from all sides took to their heels.