Valmiki Ramayana Yuddha Kanda Sarga 16 Shloka 18
Original Shlokaअब्रवीच्चतदावाक्यंजातक्रोधोविभीषणः । अन्तरिक्षगत्शीमान्भ्रातरंराक्षसाधिपम् ।।6.16.18।।
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जातक्रोधः enraged, श्रीमान् prosperous, विभीषणः Vibheeshana, अन्तरिक्षगतः going into the sky, तदा: then, भ्रातरम् brother, राक्षसाधिपम् Lord of Rakshasas, अब्रवीच्च spoke.
Great Vibheeshana was enraged. Then going up into the sky spoke these words to his brother, the Lord of Rakshasas.