There were many online novels that could be used as reference for the following popular novel series: 1. Battle Through the Heavens: It tells the story of a young man's growth. He experienced various challenges and battles in the process of pursuing strength. 2.'The Peak of Martial Refinement': The main character of a novel with martial arts as its theme, Xiao Yan, continuously grows into a powerful martial artist in the process of practicing martial arts. [3]<< Full-time Expert >>: A gaming-themed novel about a gaming expert who unexpectedly retired and returned to the game world to fight fiercely with other experts. 4. Lord Snow Eagle: The main character of this novel is a young pirate who fights with various enemies in the process of searching for treasure. 5. Douluo Continent: A novel with fantasy and martial arts as its theme. It tells the story of a soul master's world where the protagonist, Tang Wulin, grows into a powerful soul master in the process of cultivating his soul power.