Valmiki Ramayana Yuddha Kanda Sarga 25 Shloka 28
Original Shlokaविभीषणगृहीतौतुवधार्तौराक्षसेश्वर: । दृष्टवाधर्मात्मनामुक्तौरामेणामिततेजसा ।।6.25.28।।
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क्षसेश्वर Lord of Rakshasas, वधार्थम् for the sake of slaying, विभीषणगृहीतौ held captive by Vibheeshana, धर्मात्मना righteous self, अमिततेजसा highly effulgent, रामेण by Rama, दृष्टवा seeing, मुक्तौ released.
"O king of Rakshasas! Vibheeshana held us captive for slaying us. But righteous self, Rama, the highly effulgent one released us on seeing."