Chapter 584: Refining the Flying Blade

Xue Ying only wished to cultivate the "Extreme Annihilation Mysterious Body" to the fourth level, yet as he studied deeper, he came across many more hard problems. If it were just the 'Substance Deity Heart', then that would be fine, as it was not difficult to deduce and grasp hold of a new deity heart with his current realm. But the fourth level of the Extreme Annihilation Mysterious Body was not merely the Substance Deity Heart...

It sought after the pinnacle of Substance, and its usage of the laws of substance was extremely high. Furthermore, the fundamental makeup of 'substance' required the inner world, and the strength of the inner world had an enormous influence on the power of the entire armor.

The black armor on the surface of his body might seem like one, yet it was actually just a durable substance comprised of countless worlds.