What is there still remaining to be done. The great Asura, the son of Tvashtri, has been killed and so has been Vritra of large stature who destroyed the three worlds.
किं कार्यमवशिष्टं वो हतस्त्वाष्ट्रो महासुरः। वृत्रश्च सुमहाकायो यो वै लोकाननाशयत्॥