Hyper-realistic portrait of Grandmother Raven from Wizard101 as a venerable, elderly matriarch. Her face is deeply lined with wisdom wrinkles and soft, aged skin texture. She has kind but piercing glowing blue eyes. She is holding a gnarled wooden staff. She wears an ancient, mystical violet long dress adorned with glowing magical runes and silver jewelry. Set against the snowy, ethereal landscape of Grizzleheim with a cosmic starry sky in the background. High fantasy, 8k resolution, Unreal Engine 5 render, extreme detail on weathered feathers and aged features.