In a land filled with an Abyss, there was the Deep, a place that contained a subhuman species known as Deep Ones. They lived in the underground in harmony. Eventually, they began to adapt to their environments and have abilities that no other human could wish to attain. Vyus Deepwalker, an individual born as a Deep One, is the last surviving individual of the Deep, and he must find the truth within a world where the power of one's inner self can dominate battlefields.