Valmiki Ramayana Yuddha Kanda Sarga 120 Shloka 29
Original Shlokaतदिदंनस्त्वयाकार्यंकृतंधर्मभृतांवर ।।6.120.29।। निहतोरावणोरामप्रहृष्टोदिवमाक्रम ।
1 source checked for this shloka
धर्मभृताम् upholder of dharma, वर supreme, राम Rama, तत् that purpose for which, इदम् this, नःकार्यम् that action, कृतम् is done, रावणः Ravana, निहतः killed, प्रहृष्टः happily, दिवम् abode, आक्रम return to
"Rama you are the supreme and upholder of dharma. The purpose for which you are born has been accomplished. Ravana is killed. You return to your abode happily."