 Now a fully fledged avatar of the Nightwing entity Chris is able to fight Jax-Ur (revealed to be the Kryptonian deity the Builder as well) along with Flamebird on even terms.Furious that Nightwing escaped, Jax-Ur flees into the heart of his construct, Rao and triggers a self-destruct located in Rao's heart which would engulf the Earth into a black hole and rip the universe apart.Nightwing and Flamebird together are able to overpower him and Nightwing absorbs Rao's heart into the Phantom Zone where it is rendered harmless and destroys the Rao construct.