Ramayana
विश्वकर्मवचः श्रुत्वा ततस्ते राक्षसोत्तमाः । सहस्रानुचरा भूत्वा गत्वा तामवसन्पुरीम् ॥ 7-5-29 ॥
Having heard the words of Vishvakarman, those foremost of rakshasas, becoming a thousand strong with their followers, went and settled in that city.
english translation