Spirit rebirth: From maker to monster

He died a game creator. He woke up in a world that runs on fear. In this strange new reality, humans gain power not through training or talent, but by devouring negative emotions. Fear, grief, despair, each emotion fuels them. Those who master this art are called Spirit Warriors, humanity’s last defense against the cursed spirits that stalk the living. But when Kai Ren, a former game developer, awakens in this nightmare, he realizes something no one else does, this world runs like a broken game. Using his old-world knowledge, he starts crafting abilities based on horror myths and legends from his past life. Vampires born of sorrow, werewolves fueled by rage, shadow beasts from fear itself, he turns nightmares into weapons. Yet the more he draws power from fear, the more the darkness within him grows.And soon, the spirits start whispering his name. Because in a world powered by negativity, the one who controls fear… controls everything. The question is; can he survive?