Transmigrated with only ten days left to live, Lu Yuan survives using a mystic bead that steals lifespan and martial cultivation from his foes. To protect his adopted sister, he slaughters corrupt officials and bloodthirsty demons, earning a spot in the Demon Suppression Division. As he rises through the ranks, he uncovers an elite noble's sinister conspiracy behind the chaos. But when dark forces threaten everything he loves, can his stolen millennia of power save them in time?