Henry Zhang, the captain of the "Tianlong" special forces of D-star country Z, due to the sudden drop in temperature on D-star, entered the "center of the earth" and relied on the artificial intelligence "Intelligence Brain" to come to a place called Tianji Continent. In this world, people can acquire abilities beyond ordinary people through practice, and can even become immortal and ascend to immortality. However, the path of cultivation is not that easy. It requires great effort and perseverance. Some people even cannot break through the bottleneck in their lives and can only live in mediocrity. As a modern person, Henry Zhang feels novel and curious about everything in this world. He began to try to practice, hoping to gain a foothold in this world. However, he soon discovered that his cultivation speed lagged far behind others. This smart brain is a scientific research project of Henry Zhang on earth. It has powerful computing power and learning ability, and can master all kinds of knowledge in a very short time. With the help of Zhinao, Zhang Xuan's cultivation speed began to gradually increase, and his strength also continued to increase. However, Henry Zhang's power also attracted the attention of powerful practitioners. Some interested people began to covet his treasures and did not hesitate to use intrigues to deal with him. Faced with these threats, Henry Zhang did not shrink back, but chose to face them bravely. In the end, with his own efforts and the help of his brain, Henry Zhang successfully cultivated into an immortal and became the only immortal in the world of immortality.