Legend has it that long, long ago, the Immortal Realm suffered a catastrophe unlike any in millions of years. The Five Great Immortal Sects joined forces with the demon race to attack the Immortal Realm's supreme power, the Huanyu Palace. Its master, Zong Li, led the Eight Guardians in a desperate defense. The battle raged for nine days and nine nights, with countless casualties and innumerable immortals falling. Unable to bear watching his disciples and followers be wiped out, the master of Huanyu Palace, Zong Li, sacrificed himself, bringing the fighting to an end... As he perished, he sealed a fragment of his divine soul inside that ancient sword and cast it down to the mortal realm, hoping someone destined to find it would inherit his will, lead Huanyu Palace back to its former heights, and bring lasting peace to the Immortal Realm... On the Canglan Continent, a young man also named Zong Li unexpectedly inherited the ancient sword. Overcoming one hardship after another, he carries on Zong Li's will in his own way, standing up for the weak and settling scores as he pleases, writing a new legend...