High fantasy (also Epic fantasy) is a subgenre of fantasy fiction that is characterized by a complex and detailed imaginary world, often set in a parallel universe or a mythical past. The stories often feature a large cast of characters, including humans, mythical creatures, and sometimes supernatural beings, who are involved in epic adventures, battles, and quests. The focus of high fantasy is often on the actions and motivations of heroes, who are usually on a quest to save or change their world. The genre also often explores themes of good vs. evil, morality, power, and fate. High fantasy is known for its rich world-building, imaginative landscapes, and intricate mythologies.