In ancient times, wars raged for years. Emperor Ye emerged from the sky, created the Four Ancient Guards, and used the blood of the Four Guards to forge four magical weapons. With the four guards joining forces, no one in the world dared to challenge him, and Emperor Ye finally unified the world. After the world was unified, the four ancient guardians of Chengtian Dao guarded the four directions. Once the foundation was shaken, the four families would respond to the sky and join forces to repel the rebels. As the foundation became increasingly stable and the world was prosperous, the Four Guards were no longer needed for Heavenly Dao, and the Four Families gradually disappeared from the market. The blood lines of the four families were exhausted, and their population was getting thinner. Ten thousand years later, it was passed down from generation to generation, and each family had different degrees of close ties with the imperial court: the Qin family completely severed ties, the Ye family served as imperial guards for generations, and the Ruan family and Duan family secretly assisted.
Later, local alien forces rose up and overthrew Emperor Yip's ten thousand year foundation.
Four great masters: Qin holds the Hongshui Sword, Ye Wu uses the purple dagger; Ruan holds the dragon and phoenix ring, and Duan makes the Broken Gold Finger