Why Is This Immortal's Cultivation Not Right?

Lin Xi knew that his father was different from ordinary people. After all, he had never seen a farmer who could plow twenty acres of mountainous land in one day and run faster than an ox. Lin Xi knew that the landscape painting at her home should be different from ordinary paintings. After all, no painting could put out the fire by pouring water on its own when it caught on fire. Lin Xi also knew that this world should be different from what he knew. After all, what was flying in the sky was not an airplane, but an ordinary white-robed immortal. However, no one told me why the script I thought I had guessed was different from the ordinary plot? What does it mean for a poor boy to prepare for a counterattack, only to find out after arriving in the city that he is a nouveau riche?