 Finally, the Deva-Asura battle targets the soul, where Asuras fail and Devas succeed, because soul-force is serene and inherently good, asserts Chandogya Upanishad.Chapter 3.5.2 of the Brihadaranyaka Upanishad describes Devas, Men, and Asuras as sons of Prajapati, the primordial father.Each asks for a lesson on ethics.