In the continent, there existed 5 kingdoms. Placed in the swamp of warfare, these kingdoms struggled and split up continuously. As people were suffering from countless wars, the demon lord invaded. Corrupted demons came to the humans' world through warp gate, and soldiers of the kingdoms tried to resist.
With their repetitive loss, the alliance force retreated and prepared for a final war in the desert fortress, Queren. The soldiers fought bravely, but they became more tired as the battle lasted for days. On the seventh day, the fortress was almost defeated by the demons; only despair was there.
Then, a knight appeared from horizon. The knight rampaged through the waves of demons, and slashed them with a sharp sword. The fortress was once again filled with hope. Surprisingly, the knight was a woman, named Hertia. She lost her beloved children, and met a person. The man, covered in a black robe, saved her and taught a way to control mystic power named Arke. She called him Nameless. The alliance force reestablished army and defiance the demons. Hertia was respected by everyone as a hero who saved the fortress from despair. The fortress was in peril few more times, but the people who were taught by the Nameless, like Hertia, appeared and protected it from falling down. Mercenary Kaballa, Hunter Thelos, and Mage Feira were the heroes. They searched for people with talent, and gladly taught their knowledge to them. With their teachings, the alliance force was able to control the power of Arke, and have abilities to oppose the demons.