In this world there are gods who hold the laws of the world, each god holds a legendary weapons called “world artifact” that can bring a lot of good or terrible destruction, for thousands of years the gods were considered invincible, until one man slayed one of the gods, and became the first God Slayer following his victory over the god and the power and wealth he got from killing the god, there are right now in the world hundreds of thousands of people working to become the next God Slayer