A Zoan is a type of Devil Fruit from the popular manga and anime series One Piece. These fruits grant the user the ability to transform into an animal or a hybrid form that combines human and animal traits. Zoan fruits are known for their versatility and can enhance physical abilities, making the user stronger and faster. There are different categories of Zoan fruits, including Ancient Zoan and Mythical Zoan. Ancient Zoan fruits allow users to transform into prehistoric creatures, while Mythical Zoan fruits grant the ability to transform into legendary beings from folklore. Each type offers unique powers and advantages in battles.