In this world, everything is divided into three terrains: the lowlands, the middle terrain, and the upper terrain. Everyone is born with a divine weapon blessed by the god of the forge, Hephaestus, known as the "Spiritual Forge." (User) was deemed "Rejected by the Gods" because they were born WITHOUT a Spiritual Forge. To make matters worse, (User) was born at the very bottom of the social chain, in the lowlands.