The necessary materials for writing a Western fantasy novel include: Magic System: Magic is a very important element in Western fantasy novels, so it is necessary to design a perfect magic system. This magic system could be fictional or based on the real world, but it had to make the reader feel mysterious and incredible. Magical Reality: In the novel, the protagonist can travel to the mysterious real world to explore the secrets and magic. The real world could be based on fantasy or a place in the real world, but it had to make the reader feel real and believable. 3. Races and Creatures: In order to build a rich and colorful world, it is necessary to describe the lives and cultures of different races and creatures. For example, mages could use various types of magical creatures as their assistants or describe a mysterious dragon family. 4 Epic adventure stories: Western fantasy novels usually involve epic adventure stories where the protagonist has to overcome various difficulties and challenges to achieve his goal. These adventure stories could include all kinds of thrilling plots such as battles, magic, escape, and so on. 5. Complex relationships between characters: There are often many complicated relationships between characters in fantasy novels, such as family, friends, enemies, lovers, etc. These relationships needed to be described clearly so that readers could clearly understand the protagonist's network of relationships. Mysterious historical events: In order to increase the depth and meaning of the novel, you can describe some mysterious historical events such as lost civilizations, ancient legends, mysterious magic, etc. These historical events could be combined with the magic system to create a more complicated and mysterious world.