Valmiki Ramayana Aranya Kanda Sarga 55 Shloka 1

राणवः Ravana, महाबलान् very powerful, धोरान् fierce, अष्टौ eight, राक्षसान् demons, सन्दिश्य ordered, बुद्धिवैक्लब्यात् out of perversion, आत्मानम् himself, कृतकृत्यम् an accomplished one, अमन्यत felt.

After ordering the eight most fierce and powerful demons, Ravana had a sense of accomplishment within himself because of his perverse intellect. Ravana takes Sita to his palace -- shows her round the mansion, the wealth, attendants etc. to lure her -- persuades her to accept him.