A dramatic cover illustration depicting the climactic confrontation between Heaven and Hell. In the foreground, Xrès, the Goddess of Hell, stands defiant amidst a swirling inferno of fire and smoke, her black wings spread wide. She's clad in dark, elegant attire, a sinister smile playing on her lips as she clutches a staff emblazoned with her name. Beside her, Kael Thorne, a formidable warrior with dark hair and a beard, stands ready for battle, his form radiating elemental energy. Behind them, Zvarath, a monstrous red demon with horns, looms menacingly. In stark contrast, the background reveals a celestial landscape of Heaven, golden light piercing through a sky filled with dark, ominous clouds. A glimpse of the God of Gods, with a long white beard and robes, is visible amidst the chaos, his face etched with concern. The overall atmosphere is one of impending doom and epic conflict, with the clash of light and darkness visually representing the war for the fate of both realms. The art style should be lh_new_flux_realistic, emphasizing dynamic movement, and detailed character designs. The image captures the essence of the story: the Fall of Heaven and the rise of Hell.