Great Qin: I Raise an Immortal, Undying Army Through Sign-Ins

He transmigrates as the Great Qin Empire's Ninth Prince, only to be ostracized by his brothers and banished to the frontier. Then he awakens a sign-in System! He conceals the cultivation of a white-haired Demon Venerable, raises an army of 300,000 undying soldiers, and gathers treasures from the myriad heavens across the Nine Provinces. The First Emperor demands, “Just how many opportunities from the myriad worlds are you hiding?”