Valmiki Ramayana Aranya Kanda Sarga 31 Shloka 22
Original Shlokaअथैवमुक्ते वचने प्रोवाचेदमकम्पनः। शृणु राजन्यथावृत्तं रामस्य बलपौरुषम्।।3.31.22।।
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एवम् in that manner, वचने in those words, उक्ते saying, अकम्पनः Akampana, इदम् thus, प्रोवाच spoke, राजन् king, यथावृत्तम् what happened, रामस्य Rama's, बलपौरुषम् strength and valour, शृणु listen.
Thus said by Ravana, Akampana responded, I will tell you what happened there. O king listen to the strength and valour of Rama.