To write a good fantasy novel, you need to master some basic skills and methods. You can refer to the following suggestions: 1. Confirm the story background and worldview: Fantasy novels usually have a unique worldview and setting. You need to determine which world the story takes place in and what species, monsters, magic, etc. are in this world. 2. Create interesting characters: The characters in fantasy novels usually have unique personalities, abilities, and backstories that the readers need to resonate with and like. 3. Construct a complex plot: fantasy novels usually contain many complex plot lines such as battle, magic, adventure, love, etc. It is necessary to design a series of fascinating plots so that readers can follow the development of the story. 4. Use rich language and description: Fantasy novels usually contain a large number of adjectives, descriptions, and metaphor. You need to use appropriate language and description techniques to let the readers feel the atmosphere and emotions of the story. 5. Focus on details and foreshadowing: Fantasy novels usually contain many mysterious elements and details that need to be handled with attention to detail and leave foreshadowing at the end of the story so that the reader can guess the next development of the story. 6. Maintain continuity and logic: Fantasy novels usually contain many magic and fantasy elements. It is necessary to maintain the continuity and logic of the story to avoid contradictions and unreasonable areas in the character's actions and plot development. The above are some basic techniques and methods for writing a good fantasy novel. I hope it will be helpful. If you need further help, you can consider consulting a professional novel writer or editor.