I Tried Out a Character, So How Did I Become a Legendary Senior Expert?

Qin Wushang transmigrates to a world of immortals and martial arts, becoming the ruler of the Chong Kingdom, a member of the human race. He possesses a Character Book that lets him experience different lives and earn rewards. He becomes the sect master of the Divine Sword Sect and takes in a human boy who grows up to become the Great Emperor of the world. He becomes the demon race's Holy King and saves a water bird that spreads its wings and takes flight, becoming the God of the Sky. He becomes the spirit race's prophet and plants a peony that gives rise to the Twin Martial Gods of the Spirit Realm. He becomes a commander of the god race and meets a mortal woman. Years later, her son takes over the Heavenly Court. At last, Qin Wushang leads the Chong Kingdom to its peak and establishes his own dynasty. Looking back, he finds legends of himself spread across the world.