" Xuan-Yuan Sword: Mists Beyond the Mountains " is an RPG game released by Softstar's DOMO Studio in 1999. The story is set in the Eurasian world in 749 AD, and the protagonist, Seth, is a knight from the Frankish Kingdom of medieval Europe, as well as a mysterious mixed-race child with Eastern blood. He is sent on a mission by his lord to venture alone into the distant and unfamiliar Eastern world to seek the legendary "Invincible Battle Strategy" and embark on a legendary adventure.

As the story spans across Europe and Asia, the game's soundtrack also covers different styles from the three major cultural areas of Europe, Arabia, and China, presenting rich and vibrant colors, and winning the "Game Golden Joystick Awards" Best Soundtrack Award.