Long time ago the world was leaded by a deamons. Everywhere there are killings that happening around the world. They said that there are no longer hope. But they were wrong. The cardinal heroes saved them from hell. They were the heroes that can wield the weapons called "The legendary weapons". Those weapons are: Sword, bow, spear, gun, knife, staff, and shield. And their elements are: Air, Water, Fire, and Earth. Because of that the world were saved and they were starting a new life.

The world was now on peace. But there are still deamons that wanted to take revenge. That causes that the world needed a protection. because of that the cardinal heroes decided to held a magic knights. Because the cardinal heroes are no longer can fight because of age. They must do something. And now There are magic knights that will protect the world. The magic knights can wield a weapons. The person that can wield a weapon is called "The Gifted wielder". Many years later all of the cardinal heroes are already dead. and the only one who's protecting the world are the magic knights. Many years have passed the types of weapons and elements were increased. except for shield. At the present day there are no shield wielder. because the shield is not considered as a weapon. it's used as a protection. And they said the one cardinal hero that uses shield was too weak. Plus the first person who died among the cardinal heroes was the shield wielder. And until today the cardinal heroes are here to save others from danger.