"Don't include modern elements such as skyscrapers, cars, or modern technology. Avoid using neon or bright colors that don't fit the medieval atmosphere. Don't include characters with unhistorical or anachronistic clothing or weapons. Avoid visualizations that are too cartoony or anime style. Don't include fantasy elements such as dragons, fairies, or magic. Avoid empty or undetailed backgrounds, as well as scenes that are too simple or lack drama."