Kung Fu Is Life-Consuming, but I Have Unlimited Lifespan

Deng Tuo traveled through the world of cultivating immortals. Just when he thought he would have the golden finger, the system, and the old man with the ring, and reach the pinnacle of life, the golden finger did not arrive. Just when he thought he was going to live his life as an ordinary person, he successfully tested the superior spiritual root. Just when he thought he had superior spiritual roots and was about to soar to the sky, due to his poor talent, he had to practice hard for ten years and was unable to make any progress. Just when he thought he was going to spend his life like this, the Luo family gave him a sixth-grade exercise book, "Twelve Officials and Destined Gengshu", which allowed him to improve his cultivation by consuming his lifespan. Many years later, Deng Tuo, who had already cultivated to the golden elixir realm, realized that he actually had endless longevity...