Ling Chen, a young man from the borderlands, was abandoned as a "useless spirit-root" cultivator. But on the brink of death, he unexpectedly awakened an ancient sword embryo and set foot on the path to immortality with a sword in hand. Rising from humble beginnings, he slays demon beasts, foils conspiracies, and braves secret realms, proving his Dao through the sword as he defies the odds. From an inexperienced youth in Qingyang City to the Sword Venerable who commands the respect of the Nine Wastes, he must face the rejection of the major sects and the threat of the ancient demon clans, while also uncovering a shocking secret about his origins tied to the "ancient war between gods and demons." Along the way, he meets confidantes and forges brotherhoods sealed in life and death, but also suffers betrayal and ambushes. In the end, he cleaves through the shackles of Heaven's Dao with the sword in his hand, forging a legend of "a mortal sword that slays immortals and shatters the Nine Wastes."