Why is it difficult to make Gu Long's novel into a TV series?

Gu Long's novels were famous for their imagination, twists and turns in the plot, and deep character descriptions. However, due to the complexity of Gu Long's novels, which often involved a large number of plot twists, character relationships, and scene changes, it was difficult to make them into television dramas. The characters in Gu Long's novels were usually extremely complicated and their images and personalities needed to be deeply portrayed and shaped to let the audience truly feel their charm. The actions and decisions of these characters also needed to be described in detail in the novel so that the TV series producers could better restore the plot and characters in the novel. Gulong's novels often involved a lot of battles and plot twists. These scenes required high-level production and technical support, otherwise it might affect the audience's visual effects and viewing experience. Therefore, a TV series needed to invest a lot of resources and energy to create and replicate the scenes and battle scenes in the novel. Gu Long's novels had complicated plots, many characters, and rich scenes, so it was difficult to make them into TV series. A lot of production resources and technical support were needed to restore the plot and characters in the novel as much as possible to bring a better movie experience to the audience.