A digital painting depicting a breathtaking sunset over a city woven intricately into towering ancient trees, where the architecture combines fantasy and medieval aesthetics with wooden structures and intricate carvings. In the heart of the city floats a colossal magical crystal, casting radiant beams of shimmering light that illuminate the forest and its dwellings, creating a mystical ambiance. The scene uses a warm color palette, highlighting the golden hues of the setting sun and the ethereal glow of the crystal.