 सन्दिश्य राक्षसान्घोरान् रावणोऽष्टौ महाबलान्।आत्मानं बुद्धिवैक्लब्यात्कृतकृत्यममन्यत।। 
 After ordering the eight most fierce  and powerful demons, Ravana had a sense of accomplishment within himself because of his perverse intellect.  