 एवं कृत्वा त्विदं कार्यं यथेष्टं गच्छ राक्षस।राज्यस्यार्धं प्रयच्छामि मारीच तव सुव्रत।। 
 You may go wherever you want after accomplishing this task. I will give you, O demon of determination half my kingdom. 