A masterpiece cinematic depiction of Grandmother Raven from Wizard101, a giant bipedal humanoid raven hybrid. She has a rotund, hunched, elderly silhouette with a prominent, curved black beak and deep age textures. Her eyes are large and glow with a celestial blue light. She has silver and black feathers. She is a mix of bird anatomy and an ancient sage, with dark bird-like talons holding a gnarled wooden staff. She wears 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.