The War and The Traitor

In the Medieval Era, King Bonsalt made a peace contract with two other kings and these three haved all the continent under their control. One day her daughter, the princess was kidnapped, raped and killed by one of the kings, King Bonsalt blamed King Ruthworth for the kidnaping and killing of her daughter. Two "wonderful, smartest and powerful" heroes were sent to defeat King Ruthworth and his kingdom but, what will occur after that?