In the web novel 'The Strongest Qi Refiner,' also known as 'The Strongest Qi Refiner in History' or 'Five Thousand Years of Refining Qi,' readers follow Fang Yu, a seasoned practitioner who has been honing his skills for centuries. Despite his vast experience, Fang Yu is still striving to break through the critical refining period. Set in the modern era on Earth, the story unfolds with Fang Yu asserting, 'I may be in the key refining period, but challenging me is not advisable.' The novel, originally written in Chinese, falls under the genres of action, adventure, harem, martial arts, and school life, catering to readers interested in a blend of these exciting themes.