In a world where darkness reigns and nightmares come to life, Kai must face his fears and confront the demons of his past. As a child, he witnessed the horrors of a demon attack that left him orphaned and traumatized. Now, years later, Kai is haunted by the memories of that night and the knowledge that he was powerless to stop it. But Kai's fate is not sealed. As he delves deeper into the darkness that plagues his mind, he discovers a power within himself – a power that has been dormant for far too long.
As he trains and hones his skills, Kai realizes that he is not alone in this fight against the demons. Other avatars have risen to join the cause, and together they form a powerful army. As they travel from place to place, battling demons and gathering allies, they uncover a dark secret behind the demon invasion. The fate of humanity hangs in the balance as the avatars of the gods take on the demons in a battle for survival.