Levaria, the land protected by the spirits. Countries have fought with swords and magic for hundreds of years for their order and independence. A few years ago, the advent of the Dark Force brought further chaos to the world. Nations were perished overnight and many towns were invaded. Not only monsters getting wild in various places but also the ancient beast is about to awake by the dark power of death. To cope with the Dark Force, the alliance of the countries was inevitable. However, the common enemy was not enough to wash away the grudges from the past. The Galleria Kingdom proposed the founding of cooperative organization, and the conclusion of "Blood Oath". That is an ancient spell that cannot be discarded even by the destruction of the world. Thus, in the midst of the emergence of the Dark Force and the discord of the countries, a stateless organization- Sword of Aurcus was born. People start to gather to join the organization. And you are just one of them right now...