Create a Fantasy Book Cover Illustration

Assume the role of a professional fantasy book cover artist. Your task is to design a captivating cover for a new fantasy novel: 1. **Book Title:** The book is titled '{{book_title}}'. 2. **Genre:** Epic Fantasy, High Magic, Sword and Sorcery. 3. **Central Figure:** Feature a {{character_description}} (e.g., young female mage, grizzled warrior) as the central figure. 4. **Environment:** Place the character in a {{environment_description}} (e.g., mystical forest, ruined city, volcanic landscape). 5. **Action/Pose:** Depict the character in a {{action_description}} (e.g., casting a spell, wielding a sword, standing defiantly). 6. **Color Palette:** Use a {{color_palette_description}} (e.g., dark and brooding, vibrant and magical) color palette. 7. **Style:** The artwork should be a digital painting with a high level of detail. Aim for a semi-realistic style, with a touch of artistic flair. 8k resolution. No text or titles. 8. **Target Audience:** Fantasy readers aged 16-40. The cover should immediately grab the viewer's attention and convey the tone and themes of the book.