The humble sword-wielding Mo clan hero defeats demons to bring peace to the world. The Monster Fusion Vessel is an ancient artifact that can seal away monsters.

The Mo clan is a group of powerful and righteous vigilantes, protecting the Monster Fusion Vessel for generations. The story begins with a resounding wave of panic, with a catastrophe witnessed by the young hero Fu Zixun. With his clan destroyed, the Vessel lost, the common folk imperiled, and his benefactor murdered, the young man never expected a trip down the mountain to turn into a grueling journey to defeat demons. Facing deaths and the seeking vengeance, his youth and naiveté are buried only to be replaced by a heavy long sword and revenge weighing upon him. Together with the daughter of his benefactor, he begins his journey with uncertainty. Fortunately, the journey did not prove lonesome and he encountered a pampered daughter of a wealthy family who joined with bandits, a famous transport guard leader, a thief titled Flying on Grass, a legendary swordsman, a fox spirit from a mystic valley, and a simple boy leaving his House consisting of only himself. These people bear resentment, pain, anger, and hatred, yet gather under the common idea of righteousness to travel the world. The future holds many uncertainties, and their opponents have cunning schemes. The group does not even know where their path will end, so can only forge their way ahead little by little, encountering monsters causing disturbances as well as evil government officials mistreating commoners. “Just what kind of world is this?” The group can only ponder in disapproval, yet they share a belief that drives them forward-a belief in a beautiful future. Even though monsters threaten the world and heroes rise in response, but the outcome is still unknown. They can only rely on their companies’ warmth to trudge through hardships together. All, with the appearance of the ancient weapon Xuan-Yuan Sword, shall eventually become clear.