Lin Yuan, a boy from a remote frontier town, was seen as an ant because he was born with a useless spirit root. Yet at the execution platform of the Qingxuan Sect, he was framed for stealing the "Heaven-Slaying Sword Art" and became a pawn in the sect's power struggle. Amid the searing pain of black iron chains piercing his meridians, a mysterious System activated, awakening the legendary "Heaven-Slaying Bloodline," which could devour the origin of the Heavenly Dao.