Ramayana
हेतुमात्रमहं तत्र भवतां तेजसा हतः । रावणः सगणो युद्धे सपुत्रामात्यबान्धवः ॥ 7-38-24 ॥
"There I was but the instrumental cause; it was by your valor that Ravana, with his hordes, together with his sons, ministers, and kinsmen, was slain in battle."
english translation