Aurora Witch: Concept Art Under the Northern Lights

Create a high-detail concept art piece of a solitary witch standing on a windswept snowy cliff, under a luminous aurora borealis. She wears a deep-indigo cloak with silver embroidery of lunar sigils, a wide-brim hat, and rugged boots. In one hand she grips a gnarled wooden staff crowned with a glowing crystal; in the other she opens an ancient grimoire that emits soft pale runes. A black raven sits on her shoulder, gazing inward. The environment features jagged icy spires, a distant pine forest, and a frozen lake reflecting light. The aurora paints the sky with emerald greens, violet purples, and teal streaks; etheric light washes across her face, cloak, and staff. The mood is mysterious and ethereal with cinematic lighting, painterly digital painting, and ultra-detailed textures. Style reminiscent of fantasy concept art for video games or films, with dynamic composition, strong silhouette, and rich color grading. Resolution: ultra-high, 8k-ready, with subtle particle snow and glow effects.