Immortal Path Ordinary Cultivation

An extraordinary story told in ordinary language. The ordinary protagonist joined an archaeological team because of his poor life, and then accidentally entered a small space. In that small space, the ordinary protagonist experienced a series of incredible things. However, through those things, the protagonist finally came into contact with a corner of the civilization of cultivating immortals. After returning to Earth, the protagonist started research on the civilization of cultivating immortals. From then on, exploration, suspense, and the city became the main theme of the protagonist's life. Finally, after some hard work, the protagonist finally understood the mystery of the lost civilization of cultivating immortals on the earth! Later, an unintentional accidental injury forced the protagonist to escape to that small space. Then the protagonist traveled through that small space to another world where he could cultivate immortality. From then on, the protagonist embarked on a journey full of fantasy to cultivate immortality...!