C40 Shadow of the Night, King of the Dead (2)

As if he had understood something, the cultivation of the Nameless Mysterious Art required a huge amount of energy. It was impossible to do with just the spiritual energy, one would need all sorts of energy.

At first, he was only at the Spirit Innate realm, but at this moment, he finally relaxed a little. However, after he crazily absorbed all the Death Qi