Menacing wizard on a horse Book Covers

Book Cover: Create a book cover that features a menacing wizard on a horse navigating through a war-torn landscape. The scene is set against a backdrop of ominous mountains, engulfed in an atmosphere thick with fear and deathly smoke. The wizard should appear formidable, with dark robes and an aura of power, as he traverses the desolate battlefield. The overall mood should be eerie and foreboding, capturing the essence of a dark fantasy epic.