 असुरैर्वा सुरैर्वा त्वं यद्यवध्योऽसि रावण।उत्पाद्य सुमहद्वैरं जीवंस्तस्य न मोक्ष्यसे।। 
 O Ravana, even if you stand invulnerable to gods and demons, you will not come out alive in the combat with Rama with whom you have earned great enmity. 