Atmospheric Dark Fantasy Novel Book Cover

an epic dark fantasy novel book cover illustration featuring a regal 28-year-old sorceress with flowing silver hair and glowing violet eyes, wearing an intricate obsidian armor suit adorned with filigree raven feather shoulder pauldrons and a sweeping dark velvet cape, holding an ancient gnarled wooden staff topped with a glowing amethyst crystal, standing on the edge of a jagged castle ruin crag overlooking a stormy ocean under a giant pale full moon, dark stormy clouds with subtle violet lightning bolts, lit by strong ethereal moonlight key light and purple magical staff glow casting rich reflections on metallic armor, intense commanding expression looking toward distant horizon, wind whipping hair and cloak in dynamic motion, cinematic vertical hero composition centered on subject with majestic scale, top dark sky region open for fantasy book title typography, shot with 85mm f/1.4 lens, razor-sharp focus on facial detail and armor engravings, cinematic painterly illustration aesthetic, digital fantasy concept art style, dark dramatic and heroic visual atmosphere