All-Professional Mentor from Another World

He is a saint among the human race and the source of all cultivation techniques. Seventeen thousand years ago, he invented the fighting spirit cultivation technique, which freed mankind from the racial title of "weak slug"; fourteen thousand years ago, he transformed the elves' secret method of spiritual cultivation, and mankind began a new era of spiritual cultivation; eleven thousand years ago, he created the "secret technique of stealth assassination", allowing mankind to compete with the Shadow Clan; ten thousand years ago... ...... Eight thousand years ago, the devil invaded mankind. He fought with the Throne of Hell [Scorched Earth] for three days, and then both disappeared from the world. From then on, every hundred years in the human race, a peerless genius would be born, with astonishing cultivation. Today, eight thousand years later, he was finally completely lifted from the "Scorched Earth" and the "Curse of Reincarnation", and returned to the human world completely. At this point, that [All-Professional Mentor], that human [Forefather of Magic and Martial Arts], is back again! The new book "Global Evolution" is a doomsday book, soft science fiction, written about the era of the second Cambrian biological explosion.