Vibhishaṇ saw his brother slain, Nor could his heart its woe contain. O’er the dead king he sadly bent And mourned him with a loud lament: “O hero, bold and brave,” he cried, “Skilled in all arms, in battle tried.

In plain words: Vibhishana, Ravana's brother who had joined Rama's side, sees Ravana dead and cannot hold back his sorrow. He bends over the body and cries out, calling his brother brave and skilled in war.